Mustang Survival Neoprene Cold Water Immersion Suit w/Harness MIS230 HR. For flotation and hypothermia protection when every second counts Designed for use in commercial operations, the new Immersion Suit from Mustang Survival is the ideal Industrial Marine, Coast Guard. Approval: USCG - UL1197 - Immersion Suits 160.171 - UCCG/MED SOLAS 2010. Features: Easy to don in stormy conditions Five-fingered insulated gloves for warmth and dexterity Water-tight