Specifically designed for the North American climate, ICEBEAR (STP) is made with comfort and superior performance in mind. Featuring abrasion-resistant materials, the lightweight series offers maximum durability - making ICEBEAR (STP) key for protection and safety in all seasons. Temperature Rating: All Season (-50ºC/-58ºF)Specifically designed for the North American climate Light weight abrasion resistant Polyurethane (PU) moulded bootWide fit through the calf and footThermal PU compound is cold crack resistant to -50ºC/-58ºFGelFlex PU midsole provides comfort and reduces fatigue Oil and acid resistant rubber outsole provides superior traction at extreme cold temperaturesLug outsole design provides added traction on packed snow and icy conditions Metal free safety toe and plateComfort crafted insoleCSA/ASTM/CE approvedESR/EH ratedWaterproof Style: 5157-0000