O'NEILL MEN'S SUPERLITE USCG LIFE VEST, Black/Lime/Smoke:Lime, Size 2XL The O'Neill R&D process provides the best quality, fit and functionality in the industry. Our USCG Life Vests continue to set new standards of excellence in design for all wake and waterski athletes.. USCG Approved Coated Polyester Shell Quad Buckle System Lightweight Construction Water Resistant Exterior Overlock Stitched: Super-Strong Seam Lightweight Polyethylene Foam