Onyx A/M-33 Impulse All Clear Inflatable Lifevest, Blue Convertible from automatic/manual to manual only inflation. Front zipper closure for a low profile secure fit, air mesh in contact areas, dual adjustments with "webbing locks" to manage excess webbing. Secure Pull -- clips to life jacket allows for quick release when pulled for inflation, Quickburst zipper opens upon inflation easy to repack, inflation chamber has SOLAS grade, reflective material and light attachment, V-back for comfort and faster donning. Features a 1.5" body belt, protective cover uses durable 400 denier nylon oxford and 500 denier Cordura, hanging loop for drying, marine whistle included, extended sizing fits up to a 65" chest.