The Reactor Vest offers incredible lumbar support that will keep you skiing all day. Soft and comfortable with a 100% polyester lining, this vest is made from closed-cell PVC marine foam and a coated nylon shell. Segmented foam core and anatomical flex points keep you moving freely. Features concealed dual belt system with quick-release buckles and heavy-duty zipper. USCG approved. Chest sizes: 4(30"-33"), 6(33"-36"), 8(36"-39"), 10(39"-42"), 12(42"-45"). Vest lengths: 4(19-1/2"), 6(20"), 8(22"), 10(22-1/2"), 12(23"). Quick-release buckles USCG approved Women&';s Reactor Life Jacket - Navy - 12 in Navy Blue.