Baffin's Granite work boot is Polar-rated for comfort when your jobsite is outside in Canada's harsh Winter climate. Temperature Rating: -100ºC/-148ºF Safety metal free toe and plate with electric shock resistant sole Oil and acid resistant leather and stitching Barrow inspired cinched lacing system Oil and acid resistant rubber outsole for slip resistance in extreme cold Ice Bear outsole design for additional traction in ice and snow Light weight PU base is cold crack tested to 50,000 flexes at -50ºC/-58ºF Light weight GelFlex mid-sole reduces fatigue and improves comfort Improved fit allows for maximum comfort and support Baffin -100ºC/-148ºF 8 layered inner boot Micro cellular waffle foot-bed traps air and moisture Frost plate foot-bed CSA/ASTM/CE approved ESR/EH rated Colour: Black