Surf Booties Unstand 8Mm These highly durable wet shoes are made to keep you warm in the arctic waters and are suitable for surf, windsurfing, and wakeboarding. The main fabric is an 8mm Neoprene material based on Limestone, which is more environmentally friendly than an oil-based version. It is very durable, provides excellent insulation, and has a great warmth-to-weight ratio. Key features include: A rubber sole to ensure optimal grip contact with the board, bridge adjustment, and a loop for adjusting between split toe/no split toe. These surf booties have a technical non-slip fit