Ultra light athletic comfort describes this Mid Cut Lightweight Hiker. The oil, chemical and slip-resistant rubber outsole with EVA (Ethylene-vinyl acetate) midsole and the moisture wicking lining combine to work with you all day long. It features a suede and nylon upper and breathable waterproof membrane keep your feet dry, and a PU insole, padded collar and OrthoLite® Comfort Tongue to keep you ultra-comfortable on the job. Built with 100% non-metallic materials this composite toe work hiker is ASTM F2892-11, EH rated. Outsole: Rubber Upper: Suede/Nylon