Aqua Sphere Mens 2013 Aqua Skin Shorty Suit Neoprene, , Thermo-Guard technology provides warmth and maximum flexibility and range of motion in the shoulders, hips and chest. Constructed from 0.5-1mm Glide Skin neoprene for increased speed and freedom of movement in water due to a low drag coefficient. Double-lock Collar offers maximum comfort while keeping water out. Special panels under the arm and crotch to prevent chafing and provide added comfort. Easy-pull, deep-back zipper for easy on and off.