BBB WaterFlex OvershoesThe BBB WaterFlex Overshoes feature an advanced 2mm thick WaterFlex material, which consists of a polyurethane outer layer over a MicroFleece inner. This provides amazing water-resistance while retaining incredible flexibility and great insulation to keep you warm. The nose and heel sections are reinforced to provide extra strength in high-wear areas, vastly improving durability.Features: Material: Outer: Polyurethane (PU) rubber; Inner: MicroFleeceAdvanced 2mm WaterFlex material Designed to offer the best protection against the rain 38mm wide rubber Velcro strap provides a secure fit and allows you to use these shoe covers for (in-line) skates Reflective artwork for extra visibility Industrial-strength YKK-zipper Flap behind the zipper All seams are covered inside with waterproof tape Two reinforced parts between sole and zipper as well as on the noseBuy BBB Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.