The Pro Hikers combine performance with day-long comfort and are built to withstand the punishment of active use. At the crotch and the back of the knees the high tenacity Di-Guard neoprene seat panel protects against wear generated through contact with the boat. 90% Neoprene, 10% Nylon. Imported. Racer cut high back for added warmth and comfort 3/2mm neoprene Adjustable stretch braces with low-profile side release buckles X4 Flex technology allows complete freedom of movement in vital zones Low-profile flat seams for comfort Glideskin leg seals for grip and comfort.