eVent(T) waterproof, breathable bootie keeps out the wet elements for a dry foot environment. Numentumâ"¢ neutral positioning technology to keep your foot centered and balanced for all-day comfort. Moisture-wicking mesh lining provides excellent breathability. Gusseted tongue keeps out debris. Rubber toe protector guards against rocks and other trail debris. Double density compression-molded EVA midsole with medial and lateral postings for underfoot comfort and heel stability. Shock dispersal plate in forefoot for stone bruising protection Rugged rubber outsole with slip-resistant lugs add great traction and durability for all types of surfaces.