The THEOX 3mm double-sided neoprene sewn-on wetshoes consist of vulcanized rubber soles and Rubber reinforcement at the heels. They are tightened with a strap and Velcro® on the instep (top of the foot) and adjustable with an elastic band at the ankle for more support. This is the ideal wetshoes for free riders, canoe-kayak, SUP, windsurfers, and clubs.