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. a USCG Approved. a #10 Ykk Zipper with Safety Tab. a Anatomical Flex Points. a Concealed Dual Belt System. a Integrated Lumbar Pad. a Nytro Lite Foam Technology. a Overlock Stitched: Super-Strong Seam. a Lightweight Fluid Foam Neoprene Shell. a Durable Exterior.