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.