Onyx Adult Comfort General Purpose Life Jacket - Comfort is the best way to describe this Onyx general purpose vest since it uses soft, comfortable flotation foam, has large armholes for freedom of movement, and the open sides allow for proper venting. Great for paddling, boating, fishing or personal watercraft. Adjustable belts, hidden lower belt tunnel, and chest strap for a secure fit Lightweight durable flotation foam Slim foam design with flexible segments for comfort and mobility Open-sided styling and open neck design for added comfort Bright colors to add visibility on the water U.S. Coast Guard approved