COLD-WEATHER CLASSICA reenergized update of our cold-weather classic. The durable yet lightweight upper is a waterproof and seam-sealed combo of leather, nylon, and webbing.ULTRA WARMThe 200 grams of insulation and thermal-reflective lining retain warmth in sub-zero conditions.COMFORT AND GRIPThe superior midsole cushioning and high-grip Michelin® outsole keep you comfortable and sure-footed.