Features include V-Flex back panel providing unmatched fit and flexibility. Constructed of 200 Denier nylon shell and liner and soft Aquafoam and durable Crosstech flotation foam. Four 1 1/2 wide adjustable belts with easy-to-use side release Delrin buckles and partitioned foam side panels for a contoured fit. Acceptable for personal watercraft waterskiing or similar towed uses. U S Coast Guard approved Type III.