Approved by both the US Coast Guard and Transport Canada as a "Life Saving Device", the Hyperlite Prime Vest is a great-looking piece of safety equipment for your water adventure. True Flex Technology combined with segmented foam panels offer limitless range of motion, making the Prime a great choice for athletes and the occasional boater.• Harmonized Approval US Coast Guard and Transport Canada• Personal flotation device• True Flex Technology• Segmented foam panels• Secure belt loops and PVC buckles• Superior drainability keeps you lighter and drier• Men's Chest Sizes: S(32"-36"), M(36"-40"), L(40"-44"), XL(44"-48"), 2XL(48"-52") Secure belt loops & PVC buckles Superior drainability keeps you lighter & drier US Coast Guard & Transport Canada harmonized approval | Hyperlite Men's Prime CGA Life Vest