Kokatat continues their tradition of innovative design and high quality construction by using NeoFlex panels into their line of formfitting neoprene insulators, a great system to couple with your favorite Kokatat paddling jacket or drytop. MM double-face neoprene. All nylon front zipper, Paddling specific articulation, Flat-lock seams, No seam armholes, Size specific color blocking, Super stretch ankles, Non-skid reinforcement at the knee.