Product Information for KnappProduct Description This waterproof trail hiker features a nylon mesh lining with a waterproof membrane, a removable EVA cushion insert with sponge rubber heel wedge, and an EVA cushion midsole with rubber traction outsole. It has a composite toe for added protection while being 100% non-metallic. Offers slip-resistance, oil-resistance, heat-resistance, abrasion-resistance, and protects from chemicals or metal chips. Meets the ASTM F2413 Standard for protective footwear. Additional Info Removable Footbed , Safety Toe , Slip-Resistant (Non-Skid) , Waterproof , Removable Insoles Fit: True to Size Insole: EVA Outsole: Rubber Upper: Leather/Mesh