The Carhartt(R) Men's Rugged Flex 8" Waterproof 400g Insulated Work Boots are built with a composite safety toe and RuggedFlex(R) technology that allows freedom of movement for lasting comfort. A waterproof membrane ensures dryness and the rubber outsoles provide traction to keep you steady. Stocked with 3m(TM) Thinsulate(TM) insulation, these Carhartt boots keeps you warm during cold work conditions. FEATURES: Men's Work Boots Composite toe protects toes from impact injuries Rugged Flex(R) allows freedom of movement Waterproof Membrane Cement construction Carhartt(R) rubber outsole EVA midsole with PU strobel pad PU Ortholite(TM) insoles offers 5 layers of flexibility and cushioning 3M(TM) Thinsulate(TM) microfibers trap air molecules between fabric and outside air to provide heat 400g Thinsulate(TM) insulation Style: CMF8389 Click here for additional information relating to the Manufacturer's Warranty.