La Sportiva Men's Trango Alpine GORE-TEX Mountaineering Boots, Yellow

Made with the highest quality, exceptionally durable Idro-Perwanger leather, these mountain boots refuse to compromise on lightness and comfort, perfectly balancing with their high performance. Expect exceptional weather protection with the highly waterproof, breathable GORE-TEX Performance Comfort membrane, and enjoy an updated toe box with more space and a rounded shape that better supports hardworking feet.For conquering tricky faces, steeper verticals and challenging underfoot terrain, the boots' 3D Flex System Evo technology provides consistent support and ankle mobility. Underfoot, the cushioning Vibram Cube Evo tread and toe climbing zones allow for maximum precision and reliable grip, so you can climb higher and perform better than ever before.  Waterproof membrane: GORE-TEX Performance Comfort Best for traditional mountaineering and alpine trekking, including rocky climbs, icy slopes, ridge traverses, and varying terrain Designed for use with crampons Enhanced safety and performance on technical routes 100% Trango Series DNA to guarantee maximum precision when climbing Lightened sole pack with Vibram Cube Evo tread La Sportiva Impact Brake System technology - absorbs negative ground impact, improves traction and grip Lasting Board: Carbon-loaded nylon Lining: GORE-TEX Performance Comfort Midsole: Low-density polyurethane with rear TPU insert for attaching crampons Patent: Impact Brake System, 3D Flex System Evo Sole: Vibram Cube Evo with Impact Brake System Upper: Water-repellent 1.8 mm Hydro-Perwanger leather Weight: 650g