The HUUB Neoprene Collar offers neck coverage for warmth and extra comfort when used in very cold open water. The snug-fitting collar also adds an extra layer of protection to help reduce neck chafing. High-grade 3mm neoprene for added warmth. Pair with the HUUB Neoprene Cap, Neoprene Gloves and Neoprene Socks for the Ultimate cold water protection.