The Profile Design by Aquaman Unisex Bionik 2 Triathlon sleeveless wetsuit is a triathlon specific wetsuit made of the finest quality neoprene available. Express Opening System Made for triathletes Open's upward to ensure closure while swimming Yamamoto 39 Neoprene treated with SCS for maximum glide in water Short cut of legs makes removal easier Ultraflex material makes exiting easier SCS super composite skin Coating throughout Friction Free Collar Flexible Zi