Features of the Danner Men's Super Rain Forest 200G Insulated 8IN GTX Boot 100% Waterproof and breathable Gore-Tex liner is engineered to keep your feet dry and comfortable even in extreme conditions 200 grams of Thinsulate? Insulation offer lightweight warmth for those needing protection in cold climates Black, full-grain leather is the strongest leather resists alkali, lime and anything else you'd rather not get on your feet Double-thick leather covers the toe box and top of the foot for added protection Triple-stitching with hyper-strong thread ensures long term durability Vibram 132 Montagna Outsole Features lugs that Are angled to provide substantial support whether ascending and descending Center lugs combined with the unique Vibram rubber compound provide maximum traction on wet and dry surfaces Fiberglass shank