Mesh shoulder, back and sides to keep you cool all day. Contoured lightweight and durable flotation foam for freedom of movement. Two encircling belts with a heavy-duty zipper closure and dual cargo pockets. SOLAS grade whistle and reflective material on front and back. D-ring for small accessories. Opening in back to accommodate most fall harnesses. Contrast stitching on belts for more efficient vessel checks. U.S. Coast Guard Approved Type III Life Jacket / Personal Flotation Device.