A versatile and lightweight lifejacket that is ISO approved, AIS ready and features Wave Barrier technology, the Kru XF is ideal for coastal sailing & general watersports. Features- Easy front donning- Rated 150N with actual buoyancy of 170N- Side adjustment for bespoke fit- Tailored collar for increased comfort- Single crotch strap eliminating ride-up- Harness and non-harness versions available- Stainless steel D-ring for safety harness (harness version only)- Durable outer cover- 'Wave Barrier' technology helps keep airways clear*- Approved service network *Wave Barrier technology- Delivers sub 5 second super-fast turn speed- The wearer is placed on their back keeping airways raised above water- The interlocking bladder blocks the flow of water into the wearers airways, massively reducing the risk of secondary drowning