RefrigiWear 1140 PolarForce Max Insulated Boots — Footwear 。Comfort Rating: -40°F to 10°F • 800g Heavy-duty insulation • ASTM F2413-24 1/C EH SR rated composite toe • Protects from impact and compression of the toe area • Protects against accidental stepping on live electric wires • Slip resistant for general wear environments in wet and dry conditions • DRI-BLAZE® lining for superior comfort, warmth and durability • 8\" Leather upper • Pac boot styling with performance polyurethane shell • Waterproof • Rubber toe guard • Rubber heel plate for easy kick off • VitaComfort® anti-fatigue and gravity-fed moisture management system