Lace closure Textile upper with welded TPU mud guard GORE-TEX membrane and elastic heel with durable waterproof coating (DWR) EVA structure for stability Boost midsoles with rock protection plate Continentalâ„¢ rubber outsole Made from recycled materials. This shoe is designed for stability and protection, featuring a Boost midsole and a rock protection plate for rugged terrain. The Continentalâ„¢ rubber outsole ensures excellent grip. It is made from recycled materials.