Stretch neoprene ensures a comfortable fit and the Glideskin face seal minimizes the flow of water into the hood. Micro holes in the top vent air with minimal water ingress and the collar is designed to work with drysuits fitted with a warm-neck. Micro holes in hood vent air with minimal water ingress Extended protection Collar designed for drysuits fitted with a warm-neck Smooth Glideskin seal around the face Thermal plush lining Fabric: 90% Neoprene / 10% Nylon