Face the most extreme conditions with the Acton Icedefender XMet 11" work boot featuring external metatarsal protection and engineered to withstand temperatures down to -103°F (-75°C); its six-layer felt liner and 200 g Thinsulate insulation deliver exceptional warmth even in the coldest environments, while the tough polyurethane shell, Igloo-EVA insulating midsole and slip-resistant rubber outsole provide comfort, stability and safety on any terrain, making it a boot that uniquely combines warmth, durability and protection for ultimate performance.