ASICS Men's GEL-Trail Attack 5 WR Running Shoe 100% Synthetic leather and synthetic fiber Rubber sole GEL Cushioning System attenuates shock during impact phase Performance trail outsole and reversed lugs provide uphill and downhill traction on all types of terrain while the forefoot rock plate provides protection against stone bruises Water Resistant Upper, Provides a highly water-resistant upper without loss of breathability Performance Trail Upper, A water-resistance upper that is very breathable. Gusset construction prevents debris from entering the shoe and causing irritation