BOREAL G1 Expe Hiking Boots Black and green, 7.5

Specifications: - WEIGHT: 2920 gr - UPPERS: Lightweight double boot consisting of an outer boot and a removable inner boot. - OUTER BOOT: Integrated gaiter: Lower part of gaiter in extra abrasion resistant material with waterproof membrane, Thinsulate and Polyethylene thermal protection layers - Upper portion of gaiter: abrasion resistant and highly breathable material with Sympatex membrane - Shell: Waterproof and reinforced one piece Dynatec, with Lorica and Neoprene - Highly abrasion resistant and waterproof Cordura-Sympatex liner - 6 mm EVA insulation and 1.4 mm Neoprene insulating insole with anti-slip function for precise inner boot location - TPU rand for protection - INNER BOOT: Inner bootie made from a very lightweight and extremely insulative triple layer laminate - A heat reflective aluminium film is bonded to a durable polyurethane outer layer on the external surafce and insulative EVA foam on the internal side - Boreal Dry-Line with fully Thermo-sealed seams - Triple Thinsulate layers (no adhesives used) surround the foot, guaranteeing maximum protection with no cold spots -The sole of the bootie is covered with a durable textured TPU surface - Quick and easy Tanka velcro closure system - Adjustable fit around the instep area. - MIDSOLE: Boreal PBG-680 with lateral reinforcements for superior torsion control - Special three layer insulation system consisting of Radoma, triple layer Thinsulate and Neoprene layers. - SOLE: Vibram Teton - Rubber sole with dual density, shock absorbing EVA and PU - TPU heel and toe piece for automatic crampons. - USAGE: Extreme cold - High altitude climbing - Polar expeditions and extreme conditions (Himalaya, Antarctica, etc.) Technology: - DRY-LINE: The Dry-Line system offers much more than just a waterproof membrane. Besides the waterproof properties of the Dry-Line it is one of the most breathable systems on the market, transporting moisture both horizontally and vertically away from the foot. - TLS: A thermal insulation system with a triple layer of Thinsulate all around the foot combined with different layers consisting of neoprene, completely waterproof 2.8 mm leather, highly abrasion Cordura and 2.5 mm of EVA. - XTP FOOTBED: Specially insulated insole to reduce heat loss. - Vibram Teton