Make your next backpacking trip or day hike a memorable one by leaving stress behind with the ready for action X Ultra Trek GTX®. This brand is a member of the Sustainable Apparel Coalition.GORE-TEX® membrane provides optimal waterproof, breathable protection from outside elements.Waterproof nubuck leather and full grain leather upper materials. Lace pocket. Gusseted tongue helps keep debris out. QUICKLACE™ system allows for easy, on-the-go adjustments. Supportive heel counter. Mud guard and protective toe and heel caps. Heel pull loop. Padded tongue and collar. Smooth textile lining offers a great in-shoe feel. Removable, molded EVA Ortolite™ insole. Advanced Chassis™ is comprised of the EVA midsole for active comfort and reduced fatigue, the stabilizing TPU chassis, and rubber outsole. Injected-EVA midsole. Molded shank supplies added support. Non-marking CONTAGRIP® rubber outsole delivers uncompromising traction over mixed terrain.