Durable, waterproof nubuc leather upper. Abrasion resistant toe and heel cap. Reinforced toe box. Molded rubber heel counter for heel lock. 100% waterproof and breathable GORE-TEX lining. Cushioning polyurethane footbed. PU midsole for durable shock absorption with an additional forefoot EVA layer for added cushioning. Lightweight and stable performance of Danner's TERRA FORCE X2 platform.