O&';Neill&';s R&D process is dedicated to delivering industry-leading quality, fit, and functionality. Our USCG life vests consistently raise the bar for design excellence, setting new standards in performance for wake and waterski athletes worldwide. Features: USCG APPROVED #10 YKK Zipper with Safety Tab Anatomical Flex Points Concealed Dual Belt System Expansion Panels Overlock Stitched: Super-Strong Seam Filter Tech Outer Envelope 100% Polyester Lining Closed Cell PVC Marine Foam