La Sportiva - G2 Evo Mountaineering Boot - Men's - Black/Yellow

The lightest and warmest high altitude technical boot in the market, the G2 Evo is designed for extreme mountaineering and prolonged exposure to frigid temperatures. Features For high altitude mountaineering in extreme temperatures Double boot with an innovative dual BOAA(R) closure system Ultrasonic welded and heat-sealed gaiter Corner Zip(TM) articulated zipper technology Lightweight air-injected rubber rands/toe cap for protection and durability 3mm Honeycomb Tech insulating carbon insole for stiffness and warmth Automatic crampon compatibility for high-alpine mountaineering and technical situations Specifications Weight: 37oz / 1050g Last: G2 Outer Boot: Stretch CorduraA(R) with UltraSonic Welding & Heat Sealing / Corner Zip Zipper Technology / Water Repellent Gusset / Thermo-Reflective Aluminum lining / Dual BOAA(R) closure system Inner Boot: 6mm PE + EVA Single Density foam / CorduraA(R) Flex Zone / Dual VelcroA(R) Closure Insole: 3mm Honeycomb Tech insulating carbon Midsole: 2mm Polyurethane graded for crampon attachment Sole: VibramA(R) Matterhorn with Impact Brake System(TM)