The SOLAS approved Ocean Safety Challenger Interlock 275 lifejacket has been designed for use as a combined working/ abandonment lifejacket. This incredibly lightweight and
comfortable to wear lifejacket design gives excellent neck and head support which is particularly vital for an unconscious wearer. With 300N buoyancy performance the lifejacket is designed to be worn when the user is wearing heavy duty clothing or with an abandonment suit, where it guarantees to self-right the wearer in less than 5 seconds.