Oboz Crest Mid BDry Hiking Shoe - Men's Rubber Upper: Waterproof synthetic leather & highly abrasion-resistant breathable textile, Oboz BDry waterproof/breathable membrane, durable rubber toe cap & heel counter, elastic heel retention strap, speed lacing closure Construction: Waterproof double strobel lasted Insole: BFit Deluxe Midsole: Compression molded EVA, lightweight PU heel plug, EVA Super Skin (ESS) forefoot armoring, nylon shank Outsole: Thru-Hiker