The SECUMAR Duo Protect features the 4001 S automatic inflator. It has a buoyancy of 220 N/60 g for persons over 50 kg, a DUO protect buoyancy body in signal orange, 3M® reflective strips, a highly resistant protective softshell cover on the fleece collar, a snap buckle, a lifebelt, a signal whistle for attracting attention, an inspection window, a crotch belt. It is suitable for yachts and cruisers, ocean sailing (bluewater), motor ships (bluewater). Two layers of coated fabric and highly expandable polyurethane foil make up the buoyancy body wall. The extremely slim form of the SECUMAR Duo Protect offers maximum freedom of movement. ISO 12402-2