Crotch strap 2K: Single strap, can be retro-fitted to all lifejackets from 2003 with crotch strap loops. It has two stainless steel links, separated by the SECUMAR Click 30 fastener.
Using a retro-fitted crotch strap has further advantages: you can adjust the way the lifejacket sits on your body better, particularly after the lifejacket has been inflated in the water. The result: the distribution of buoyancy is optimized, hence your head is lifted higher out of the water