Trango Tower Extreme GTX WomensThe Trango Tower Extreme GTX is the fully crampon compatible mountaineering boot designed for technical use in the mountains on ice and mixed terrain. The uppers use an exclusive high tenacity fabric with mono bavacon reinforcements differentiated with Honey Comb Guard(TM) in abrasion zones. Featuring the aesthetics of the Trango line, weight is kept in check thanks also to the exclusive low volume, La Sportiva Cube Vibram sole. The Gore Tex Insulated