Warmth, comfort, and safety come together in the Red Wing 2244 work boot. This boot features a Hazelnut Tramper Leather upper and a TPU-PU Galaxy outsole for superior oil and gas, chemical and abrasion resistance. When colder weather arrives, you’ll be grateful to have the 400g of 3M Thinsulate Ultra insulation to keep your feet nice and warm. And with this boot’s Red Wing Waterproofing technology, your feet will also stay perfectly dry. ASTM F2413-11, M/I/75/C/75, EH rated.