Intrepid Mk1 Immersion Suit

The Intrepid MK1 insulated immersion suit is one of the world’s premier immersion suits and with a Clo value of 0.843 it offers excellent thermal protection to the wearer.

Manufactured from high stretch, fire retardant, 5mm neoprene, the close fitting Intrepid MK1 gives the wearer maximum levels of manoeuvrability both on dry surfaces and in water.

The double glove system allows the wearer high levels of manual dexterity, when needed; coupled with excellent thermal protection.

The Intrepid MK1 immersion suit available in small, universal and extra large sizing, is supplied complete with grab bag and pictogram donning instructions.


  • 150cmRetro tape on hood
  • Full face seal
  • 5mm Neoprene (4-way stretch)
  • Fire retardant
  • Large offset zip
  • Tailored design
  • Integral 5 fingered gloves and neoprene mitts
  • Buddy line
  • Tough rubber soles
  • Grab bag dimensions: 75cm x 29cm. 
  • Packed weight: 3.3kg
  • Approved to latest IMO SOLAS regulations


The large offset zip makes the Mk 1 quick donning, the integral 5 finger gloves allow full dexterity during and after donning.

Hand Protection

For in water use an additional pair of thermal mitts are housed in easily accessible pockets situated on the sleeves.


The feet are protected by non-slip rubber soles which give both grip and protection.

Neoprene Hood

The hood is fitted with an effective face seal and has 150sq cm of retro reflective tape to aid survivor location.

  Universal Xlarge
Length* 1.85m 1.95m
Chest 1.16m 1.27m
Waist 1.06m 1.17m
Inner leg 0.78m 0.82m
Inner arm** 0.70m 0.70m

* To end of boot inc. hood

** To end of glove