Tempurature rating: -30°C/-22°F.  High visibility reflective overlay.  B-Tek insulation throughout.  Oil and acid resistant rubber outsole. PU cushion mid-sole and safety cradle.  Frost plate foot-bed finish.  Double comfort insole.  Non-metallic construction.  Waterproof leather.  Coefficient of friction slip resistant rating of .84 at room temperature and .74 at -20°/-4°F.  8" height design.  CSA/ASTM approved.  ESR/EH rated.