Onyx Movement Curve Life Jacket - The Onyx MoveVent Curve vest features a sculpted flexible foam design that conforms to your body and stays in place when paddling, and the large armholes provide excellent mobility for kayaking and canoeing. The mesh panel in back to accommodates most canoe and kayak seats. Mesh ventilation in front and back for breathability Mesh panel in back to accommodate most canoe and kayak seats Shoulder adjustments with neoprene comfort pads Adjustable side belts Durable zipper closure U.S. Coast Guard approved and Transport Canada approved