Insulated Immersion Suit
medium
27 / 27 models (Inspector)
An insulated immersion suit is a SOLAS life-saving appliance, not a survival suit in the generic sense: it must meet a defined body-cooling limit in cold water on its own, without a separate thermal protective aid, which is what separates it from the lighter, uninsulated immersion suits carried on some vessel types.
Read more — Insulated Immersion Suit explained ▾
What defines an insulated immersion suit
SOLAS distinguishes between an immersion suit and an insulated immersion suit by thermal performance, not by cut or material alone. Both are one-piece waterproof garments donned over normal clothing that give buoyancy and protect against immersion. An insulated immersion suit must, when tested on a person in calm circulating water at 5 degrees Celsius, limit the drop in the wearer's core body temperature to no more than 2 degrees Celsius after six hours; an ordinary (uninsulated) immersion suit is not required to meet this test and is instead normally issued together with a separate thermal protective aid. The practical difference is where the suit is carried: vessels operating on colder or longer-exposure routes are far more likely to carry the insulated type as standard.
Main components
Outer waterproof shell
A single-layer or laminated waterproof fabric, cut to allow a full range of movement, sealed at every seam so the suit stays airtight and watertight when worn correctly.
Insulation layer
Built-in thermal insulation, integral to the suit rather than added separately, is what allows the insulated type to meet the 2-degree core temperature test on its own.
Closure and face seal
A watertight zip, usually self-donning and reachable by the wearer without assistance, plus a face seal or hood that keeps water off the head and neck while leaving the airway clear.
Buoyancy and righting
Built-in buoyancy sufficient to turn an unconscious wearer face-up in the water within a defined time, combined with a light and, on suits intended for lifeboats, retro-reflective tape for visibility.
Hand and foot protection
Integral boots or foot pockets and either integral gloves or a means of protecting the hands, since bare-hand exposure is one of the fastest routes to incapacitation in cold water.
Selection and sizing
Suits are sized to fit the full range of crew body sizes carried onboard, and SOLAS requires that a suit be donned, unassisted, within two minutes including time to don over normal clothing and a lifejacket where worn together. Selection therefore has to check donning time for the smallest and largest crew members expected to use each stowed suit, not just an average fit. Sizing also has to account for whether the suit is worn with or without a lifejacket underneath, since some designs integrate buoyancy and others rely on a separate lifejacket.
Regulations and class
SOLAS Ch. III requires immersion suits or thermal protective aids for every person on certain ship types and areas of operation, with the insulated immersion suit standard set out in the LSA Code. Suits must carry wheelmark or equivalent type approval, a stated shelf or service life from the manufacturer, and are subject to periodic servicing intervals — commonly annual inspection with a more thorough service at intervals set by the manufacturer, often around ten years, after which replacement rather than further servicing is usually required. Stowage location and marking are checked at every safety equipment survey.
| Requirement | Detail |
|---|---|
| Core temperature test | Max 2 deg C drop after 6 hours at 5 deg C water |
| Donning time | Unassisted, within 2 minutes |
| Approval | Wheelmark/type approval under the LSA Code |
| Service interval | Annual inspection, manufacturer-set overhaul or replacement cycle |
Typical faults
- Zip corrosion or seizure — a zip that will not close fully defeats the whole suit's watertight integrity, and is the single most common defect found at inspection.
- Seam or fabric degradation — UV exposure and age embrittle the material over years of stowage, leading to leaks that only show up under a proper pressure or immersion check.
- Face seal perishing — a hardened or torn face seal lets water in around the head, undermining thermal protection even if the rest of the suit is sound.
- Incorrect stowage size mix — a locker holding only mid-size suits leaves the smallest or largest crew unable to don a suit within the required time.
What to look for in a supplier
- Current wheelmark or flag-recognised type approval certificate for the insulated immersion suit standard specifically, not the lighter uninsulated type.
- A stated manufacturer service life and clear servicing instructions, since replacement timing is set by the manufacturer, not a fixed SOLAS number.
- A size range that genuinely covers the crew list, including any known outliers in height or build.
- Servicing agent availability at the ship's normal ports of call, since suits requiring workshop service cannot always travel with the vessel.
Check the zip and face seal on every suit at every drill, not just the sealed bag date: a suit that looks fine in its stowage bag can still have a seized zip that only fails when someone tries to get into it in a hurry.
11 manufacturers · 27 models
VIKING Life-Saving
7
PS4002
1 person
· Cold Water Survival
· Insulated immersion suit
Type
insulated
Solas
ja
Thermal protection hrs
6
Common Failures & Inspection Points
- Zipper failure/stiffness
- Neoprene degradation from UV
- Glove seam leak
- Reflective tape peeling
Service: Annual inspection. Replace every 10 years or per condition. Store away from UV.
Spare Parts: Viking: Ersatz-Anzüge per SOLAS-Vorgabe an Bord. Lead time: 2-4 Wochen.
Strengths
- SOLAS type‑approved immersion suit
- Rated for approximately 6 hours of thermal protection in 0 °C water
- Full‑body coverage with sealed seams to minimise water ingress
- Integrated reflective tape for high visibility during rescue
Weaknesses
- Zipper mechanisms reported to become stiff or fail
- Neoprene material can degrade when exposed to prolonged UV radiation
- Glove seam leaks observed in field service
- Reflective tape may peel after repeated use or harsh cleaning
Decision Guide: Choose if you need a SOLAS‑approved suit with six‑hour thermal protection and high visibility for vessels that can store the suits away from direct sunlight. Avoid if the operating environment involves intense UV exposure, frequent handling of zippers, or where long‑term durability of reflective tape is critical.
Use Cases: Deployed as emergency escape gear on lifeboats, life rafts, and crew muster stations aboard merchant vessels, offshore supply ships, and passenger ferries where rapid immersion protection is required.
PS5002
1 person
· Cold Water Survival
· Insulated neoprene immersion suit
Type
insulated
Solas
ja
Thermal protection hrs
6
Common Failures & Inspection Points
- Zipper mechanism failure
- Neoprene cracking
- Seam tape delamination
Service: Annual inspection and donning drill
Spare Parts: Viking: Ersatz-Anzüge per SOLAS-Vorgabe an Bord. Lead time: 2-4 Wochen.
Strengths
- SOLAS compliant – meets mandatory safety regulations
- Six‑hour thermal protection rating suitable for prolonged exposure
- Integrated insulated neoprene construction offers reliable heat retention
- Standardised annual inspection and donning drill procedures simplify maintenance
Weaknesses
- Reported zipper mechanism failures can impede rapid egress
- Neoprene material may develop cracking after extended service life
- Seam‑tape delamination has been observed, affecting water tightness
- Relatively bulky compared with newer lightweight alternatives
Typical Vessels:
TankerBulk CarrierContainer ShipOffshore Supply VesselPassenger Ferry
Certifications:
SOLAS
Decision Guide: Choose if you need a proven, SOLAS‑approved suit with six‑hour thermal protection and are prepared for regular inspections. Avoid if budget constraints limit replacement of known failure points (zipper, neoprene) or if a lighter, more modern suit is required.
Use Cases: Deployed on vessels operating in cold water regions where crew may be exposed to immersion hazards – e.g., lifeboat drills, emergency abandonments from tankers, offshore platforms, and passenger ferries conducting SOLAS compliance checks.
PS2014
1 person
· Cold Water Survival
· Neoprene‑insulated drysuit
Type
insulated
Solas
ja
Uscg
ja
Common Failures & Inspection Points
- Zipper corrosion
- Fabric UV degradation
- Wrist seal leak
Service: USCG + SOLAS dual approved. Annual inspection.
Spare Parts: Viking: Ersatz-Anzüge per SOLAS-Vorgabe an Bord. Lead time: 2-4 Wochen.
Strengths
- Dual SOLAS and USCG type approval eliminates the need for separate certifications
- Insulated neoprene construction provides thermal protection in water temperatures down to 0 °C for extended periods
- Integrated hood, gloves and wrist seals reduce heat loss and improve survivability
- Robust zipper design with corrosion‑resistant coating (when maintained) facilitates rapid donning
- Annual inspection schedule aligns with regulatory requirements
Weaknesses
- Zipper assemblies can corrode if not inspected and lubricated regularly
- Outer fabric is susceptible to UV degradation when stored exposed to sunlight
- Wrist seal leaks have been reported, requiring careful maintenance of the sealing system
- Heavier than non‑insulated suits, affecting stowage space and crew mobility
- Requires strict annual inspection; missed service can compromise performance
Typical Vessels:
TankerBulk CarrierContainer ShipOffshore Supply VesselPassenger Ferry
Certifications:
SOLASUSCG Type Approval
Decision Guide: Choose if: operating in cold‑water regions, dual SOLAS/USCG compliance is mandatory, and extended thermal protection is required. Avoid if: budget constraints favor lighter, non‑insulated suits for warm water or storage space is severely limited.
Use Cases: Deployed on vessels that must meet international survival equipment standards, especially in high‑latitude trades, offshore platform crew changes, and passenger ferries operating in temperate to polar waters where rapid immersion rescue may be needed.
PS2007 (YouSafe Tide)
Application
SOLAS immersion suit for merchant vessels and cold water operations
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
PS2014 (YouSafe Wave)
Application
Basic SOLAS immersion suit for cold water thermal protection
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
PS5002 (YouSafe Blizzard)
Application
Premium polar immersion suit for extreme cold water protection
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
PS5006 (YouSafe Breeze)
Application
SOLAS approved immersion suit for general maritime use
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Mullion PFD
4
Smart SOLAS Suit 1A (1MG4)
Application
Semi-dry SOLAS working and abandonment suit
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Smart SOLAS Suit 2A (1MG5)
Application
Semi-dry 6-hour SOLAS immersion suit with foam liner
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
MAS I
Application
5mm neoprene abandonment drysuit
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
MAS III
Application
Neoprene drysuit for extreme cold water immersion
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Survitec (Crewsaver)
4
Crew Endurance
Application
6-hour abandonment immersion suit for SOLAS vessels
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Crew Endurance Plus
Application
6-hour immersion suit with enhanced insulation
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Crew Endurance 140N
Application
SOLAS immersion suit with integrated buoyancy
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Imperial Immersion Suit
Application
USCG/SOLAS/MED approved multi-purpose immersion suit
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Hansen Protection AS
3
SeaArctic
Application
Insulated emergency immersion suit with self-righting device
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
SeaPass
Application
Lightweight uninsulated SOLAS immersion suit
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
SeaBreeze CTV
Application
Constant wear 1-hour SOLAS suit for work environments
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Hansen Protection
2
Sea Eco Plus
1 person
· Cold Water Survival
· Insulated neoprene immersion suit
Type
insulated
Solas
ja
Origin
Norway
Common Failures & Inspection Points
- Zipper stiffness
- Neoprene cracking
- Glove leak
Service: Norwegian manufacturer. Annual inspection.
Spare Parts: Hansen Protection: Ersatz-Anzüge per SOLAS-Vorgabe an Bord. Lead time: 2-4 Wochen.
Strengths
- Provides thermal insulation for prolonged exposure in cold water
- Meets SOLAS requirements for immersion protection
- Manufactured by Norwegian firm Hansen Protection known for quality craftsmanship
- Integrated hood and glove system for full-body coverage
Weaknesses
- Zipper can become stiff, hindering rapid donning
- Neoprene material may develop cracks over time if not properly maintained
- Glove seams are prone to leaking under pressure
Typical Vessels:
Oil tankerBulk carrierContainer shipPassenger ferryOffshore supply vessel
Decision Guide: Choose if you require a SOLAS‑approved insulated suit for cold‑water operations and value Norwegian build quality. Avoid if the operational profile involves frequent rapid donning where zipper stiffness could be critical, or if long‑term neoprene durability is a primary concern.
Use Cases: Deployed on vessels operating in North Atlantic or Arctic routes for man‑overboard rescue, emergency abandonment, and cold‑water survival drills.
Xtreme Immersion Suit
1 person
· Cold Water Survival
· Thermal insulated immersion suit
Type
insulated
Solas
ja
Origin
Norway
Extreme cold
ja
Common Failures & Inspection Points
- Heavy-duty zipper mechanism wear
- Insulation compression over time
- Boot sole separation
Service: Premium cold-water suit. Annual inspection and pressure test.
Spare Parts: Hansen Protection: Ersatz-Anzüge per SOLAS-Vorgabe an Bord. Lead time: 2-4 Wochen.
Strengths
- SOLAS‑approved and meets IMO requirements for cold‑water survival
- High thermal insulation suitable for sub‑zero sea temperatures
- Integrated sealed boot reduces water ingress risk
- Durable outer fabric resistant to abrasion and UV exposure
- Designed for easy donning with a high‑visibility zipper system
Weaknesses
- Heavy‑duty zipper mechanism prone to wear after repeated use
- Insulation can compress over time, reducing thermal performance
- Boot sole may separate if not regularly inspected
- Higher acquisition cost compared with basic immersion suits
- Requires annual inspection and pressure testing to remain compliant
Typical Vessels:
Offshore Supply VesselArctic Research ShipIce‑class TankerPolar Cruise ShipNorth Sea Platform Service Vessel
Certifications:
SOLAS
Decision Guide: Choose if: you need certified protection for crew operating in Arctic or sub‑zero waters, require long‑duration thermal insulation, and operate vessels that must meet SOLAS immersion‑suit standards. Avoid if: budget constraints are paramount, the operational environment is temperate water where a lighter suit suffices, or maintenance resources for annual testing are limited.
Use Cases: Deployed on vessels conducting offshore drilling support in the Barents Sea, polar research expeditions, icebreaker escort missions, and rescue operations where crew may be exposed to sudden immersion in icy waters.
Mustang Survival
2
MIS230
1 person
· Cold Water Survival
· Insulated neoprene immersion suit
Type
insulated
Uscg
ja
Origin
USA
Common Failures & Inspection Points
- Zipper corrosion in salt environment
- Neoprene UV degradation
- Face seal leak
Service: USCG approved. Common on US-flag vessels. Annual inspection.
Spare Parts: Mustang Survival: Ersatz-Anzüge per SOLAS-Vorgabe an Bord. Lead time: 2-4 Wochen.
Strengths
- USCG Type Approval – meets U.S. regulatory requirements for commercial vessels
- Robust neoprene construction provides up to 30 minutes of thermal protection in 0‑5 °C water
- Integrated hood and sealed zipper reduce water ingress risk
- Designed for quick donning (under‑arm pull‑on) even with gloves
- Standard on many U.S. flag tankers and offshore supply vessels, facilitating crew familiarity
Weaknesses
- Zipper corrosion can occur in high‑salinity environments if not regularly maintained
- Neoprene material degrades under prolonged UV exposure, limiting service life in tropical regions
- Face seal may develop leaks after repeated use or improper storage
- Relatively heavy and bulky compared with newer lightweight dry‑suit technologies
- Limited size range; custom sizing required for very tall or short crew members
Typical Vessels:
TankerOffshore Supply VesselContainer ShipBulk CarrierPassenger Ferry (U.S. flag)
Certifications:
USCG Type Approval
Decision Guide: Choose if: you operate a U.S.-flag vessel that must meet USCG immersion‑suit requirements, need proven thermal protection for cold‑water rescue, and value a suit with an established service record. Avoid if: the vessel operates primarily in high‑UV tropical waters where neoprene degradation is a concern, or if weight and bulk are critical constraints and lighter dry‑suit alternatives are preferred.
Use Cases: The MIS230 is typically deployed for man‑overboard recovery, abandon‑ship drills, and emergency egress on tankers, offshore supply vessels, and other commercial ships operating in temperate to cold seas. It is also used during safety inspections and crew training on U.S.-flag fleets.
Deluxe Anti-Exposure Coverall (SOLAS/USCG)
Application
SOLAS/USCG approved flotation work suit
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Datrex
1
SOLAS/MED Non-Insulated Immersion Suit
Application
Compact uninsulated SOLAS/MED approved suit
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Grand Ocean Marine
1
SOLAS Immersion Suit
Application
SOLAS 1974 standard approved immersion suit
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Kent Safety Products
1
Kent #1541
Application
USCG/SOLAS/MED approved universal immersion suit
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Lalizas
1
Neptune (Universal)
Application
Insulated immersion suit for ferries, offshore facilities, rescue boats
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).
Stearns
1
I590 (Type S)
Application
SOLAS/MED/USCG approved work and abandonment suit
Common Failures & Inspection Points
- Area: Pressure seal integrity and air leakageCheck: Conduct air pressure test per manufacturer specifications (typically 20-25 mbar). Apply soapy water solution to all seams, zippers, face seals, and closures. Monitor for 10-15 minutes to detect pressure drop and bubble formation indicating leaks.
- Area: Zipper functionality and watertightnessCheck: Visual inspection: verify smooth operation by sliding zipper up and down multiple times. Check for damage, corrosion, or misalignment. Apply manufacturer-recommended lubricant to zipper tracks. Verify complete seal closure and absence of gaps.
- Area: Face seal, glove, and boot deteriorationCheck: Visual and tactile inspection: check for cracks, tears, hardening, or loss of elasticity in neoprene/rubber components. Verify proper adhesion of glued seams and glove attachments. Test flexibility of glove fingers and boot construction.
- Area: Material degradation from age and environmental exposureCheck: Visual assessment of neoprene surface for brittleness, discoloration, UV damage, or adhesive deterioration. Check for salt residue, mold, or water stains. Inspect stored suits annually if over 10 years old and biennially if under 10 years; conduct pressure tests per schedule.
- Area: Reflective tape and safety equipment attachment integrityCheck: Verify retro-reflective tape adhesion and visibility (minimum 400 cm² SOLAS requirement). Check attachment of whistle, light pocket, buddy line, and inflatable components. Test inflation mechanisms quarterly for head support/buoyancy rings.
Typ-universelle Inspektionspunkte fuer Insulated Immersion Suit (verifiziert, 2026-06).