ADV SubZ Bootie is a warm and waterproof neoprene bootie with taped seams that protects your feet in really cold and wet conditions. The bootie is made of wind- and waterproof 3 mm neoprene with PU-coating on top and brushed backside for optimal insulation. In addition, all seams are covered with waterproof tape on the inside to keep water out. 3 mm 4-way stretch neoprene and brushed backside for optimal protection and warmthAll seams are covered with waterproof tape on the insideExtra elastic neoprene ensures a tight fitReinforcements at heal and toeDurable water-repellent ¾-zipper at the backReflective loop at back for easy on and offReflective prints