For when it’s wet and cold. Extra tough and durable.Key Features:Designed to protect you against cold and wet conditions,Neoskin waterproof layer on top of 3mm neoprene protects against the cold and rain,Extra tough and durable reinforced parts on shoe cover heel and nose,Glued seams make them 100% leakproof,Velcro strap allows these shoe covers to be used with (inline) skates Industrial strength YKK-zipper,Composition: 70% chloroprene rubber, 18% polyamide, 12% polyurethane.