Features 200 Denier nylon body with neoprene shoulders for comfort and perfect fit. Additional features include four 1/ 1/2" belts with easy-to-use side release Delrin buckles, dual sizing for optimal use, durable and lightweight Crosstech flotation foam, and large armholes for outstanding range of motion. Acceptable for personal watercraft, waterskiing or similar towed uses. U S Coast Guard approved Type III.