PolarForce® Max Boot (1140) | RefrigiWear。RefrigiWear Extreme Pac Boots designed for severe cold weather and industrial environments. These heavy-duty work boots feature a leather and man-made upper with a waterproof rubber shell and a high-traction outsole. The interior is lined with thick, plush fleece for maximum warmth, while the lace-up closure with orange accents ensures a secure fit. Rated ASTM F2413-18 M/I/C EH, these boots provide impact and compression protection along with electrical hazard resistance, making them ideal for freezer work, snow removal, or extreme winter outdoor activities.