A technical mountaineering boot with 30 years of heritage for mountaineers seeking three-season versatility in a boot that offers supreme comfort in a nimble, durable, ultralight package that is capable of handling cutting-edge alpine objectives. Updated construction, materials and fit - designed to better adapt and fit different foot shapes. Vibram Cube Evo outsole tread and springlug tech technology guarantees cushioning while remaining ultra lightweight Vortexâ„ water repellent, high stretch gaiter with quick closure prevents the entry of debris and snow while protecting the upper lacing of the boot Compatible With Non-, And Semi-Automatic Crampons The Trango Pro GTX boot is developed for the most demanding users who need safety and performance on technical and traditional mountaineering routes in summer conditions. Constructed with next generation concepts and materials, the Trango Pro GTX has been carefully designed down to the smallest detail to ensure maximum technicality, precise climbing and an extremely low weight to meet the needs of mountain professionals and more advanced users.