Liquid Force Flex Comp Vest - Black / Red - 2015 Flex-Span Neoprene + Speed Skin The Flex Vest is a combination of our Flex-Span Neoprene super stretchable neoprene and our water shedding Speed Skin Neoprene. Both are light and flexible. Inside you will find our high performance Stretch-Light lining fabric for the ultimate in comfort. Flex-Architecture The 38 segment design is what makes the Flex Comp really flex! Each small section wraps, conforms and moves with you. Side cuts, shoulder cuts, and lifted hips let you move without restriction. You can twist, grab and reach farther with the Flex Comp. PVX Foam The Flex Comp features a more protective layer of our best light weight impact flotation foam. The PVX foam perfectly compliments the Flex comp design with its supportive, soft, stretchable and flexible formula. PVX provides excellent impact protection and is lab test certified for low water absorption. Smart Fit Designed with minimal taper and maximum stretch the Flex can zip up tight without restrictions. The broad neck opening and narrow shoulders provide maximum upper body mobility for spotting your landings. Fully turned side seams are smooth and comfortable.