Waterproof, full-grain and synthetic leather uppers provide long-lasting performance and reliability; rubber toe bumpers and heel counters protect feet from rough terrain Polyester mesh linings work with breathable mesh in the uppers to wick away excess sweat and promote ventilation Padded, bellowed tongues relieve lace pressure and keep trail debris out; heel loops aid entry Removable, anatomic Ortholite® footbeds are ventilated to help keep feet cool and dry Q-Form™ triple-density, compression-molded EVA midsoles help maintain foot alignment and control pronation Air Cushion® heel pockets in midsoles absorb shock and add stability Injection-molded nylon arch shanks and thermoplastic urethane heel cups stabilize and support feet on uneven terrain Vibram® Siren Song™ sticky rubber outsoles offer low-profile traction and excellent durability Upper Full-grain leather/synthetic leather/nylon mesh Midsole EVA Outsole Rubber Support Nylon arch shank Best Use Hiking Waterproof Weight (Pair) 1 lb. 7 oz. Footwear Height Over-the-ankle Footwear Closure Lace-up Featured Technologies Vibram