Technical boots providing lightweight warmth in cold environments, the G2 SM are a must own for serious mountaineers. With an integrated gaiter for maximum water resistance and warmth, these extremely durable and quick-drying boots provide necessary protection in harsh conditions. Water-repellent Cordura outer boot with insulating perforated felt Low-density expanded PE foam, Thermo-reflective aluminum, water-repellent Lorica? with Antiacqua?? external coating Dual Boa? closure system Elastic Cordura? cuff gaiter Gaiter features Cordura? with laminated and taped water-resistant membrane and air injected rubber rand 6mm PE + EVA single density foam Cordura? Flex Zone Dual hook-and-loop closure 3mm Honeycomb Tech insulating carbon insole 2mm polyurethane graded for crampon attachment midsole Vibram? Matterhorn with Impact Brake System?? outsole Weight: 36.11 oz. Imported