La Sportiva TX3 GTX Hiking Shoe - Men's Synthetic STB Control System: the upper wraps the midsole in the medial zone increasing stability on traverse routes and wraps around the foot for a comfortable and precise fit. High resistance to abrasion and low weight is provided thanks to the PU techlite rand and protective rubber top cap Vibram MegaGrip Traverse outsole with enhanced stability area and Trail Bite heel braking platform and climbing zone in the toe Gore-Tex Extended Comfort lining provides waterproof protection A multi-purpose shoe for technical applications, ideal for use on mixed mountain terrain even during the winter months