US Coast Guard Approved Fluid Flex Segments Flexible & Lightweight Neoprene Hidden Buckles Zipper & 2 Buckle Secure Closure System The Hyperlite Women’s Fluid Flex Life Vest is tested and approved by both the US Coast Guard and Transport Canada. Throughout our testing this vest received rave reviews as the best fitting, most comfortable and highest performing life vest on the water today. With amazing comfort and our supremely engineered Fluid Flex segments this vest is incredibly breathable, flexible and lightweight. Protect yourself in style, stay safe and enjoy the water like you never have before with the freedom and flexibility of Hyperlite’s newest approved life jacket.