Omega AUTOMATIC inflatable lifejacket, 275 N Turns unconscious people, even those wearing very heavy clothing, onto their backs and keeps their heads above water. *Designed for ocean sailing (>6 miles), adverse weather conditions and intensive use; *complies with current ISO 12402-2 legislation; *buoyancy: 275 N; *AUTOMATIC release; *adjustable straps; *Double air chambers for improved safety; *whistle for audible signal + retrieval loop. The Omega 275N automatic inflatable lifejacket is lightweight, highly resistant, manufactured using advanced technology and equipped with a very precise inflation mechanism. Double inner tubes for greater safety, yellow inner tubes + SOLAS reflective strips for optimum visibility on the high seas. The inner tubes are stored in a nylon cover with Velcro fastening. The Omega 275N automatic inflatable waistcoat is compatible with most commercially available CO2 cylinders.