Details La Sportiva Trango Tower GTX Mountaineering/Hiking Boot The Trango Tower GTX is an excellent multi-purpose lightweight boot for via ferrata, mountaineering or alpine hiking either above or below the snowline.  It's essentially a slightly beefier, stiffer version of the Trango S GTX, and it's now C2 crampon compatible and has an improved sole, made br Vibram exclusively for La Sportiva Weight: 1400g (per pair size 42) B2 rated crampon compatibility Uppers: High tenacity 6.6 Nylon water repellent Inserts: Microfibre + Light PU Thermal adhesive Reinforcements: Honey-Comb Guard™ and FlexTec 3 Lining: Gore-Tex Performance Comfort Insole: 7 mm Nylon with increased thickness at the back Sole: Vibram La Sportiva Cube with different thickness lugs Impact Brake System on the heel and climbing-zone at the toe Made in Italy Specifications Trango Tower GTX Mountaineering Boot