A terrific value in flotation vests, the ZUP Life Jacket is made with nylon over closed-cell foam, providing reliable performance with a cool, fresh look. Belts feature sturdy, quick-release buckles for a terrific fit. USCG Approved Type III Flotation Device. Sizes: XS(30"-33"), S(33"-37"), M(37"-41"), L(41"-45"), XL(45"-49"), 2XL(49"-53"), 3XL(53"-57"). Four belts with sturdy quick-release buckles USCG Approved Type III Flotation Device | Men's Adult Nylon Life Jacket