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. These shoes are designed for stability and comfort, featuring a GORE-TEX membrane for waterproofing and Boost midsoles for responsive cushioning. The Continentalâ„¢ rubber outsole provides excellent grip. They are made from recycled materials.