RefrigiWear Extreme Pac Boot - Waterproof, Anti-Slip, BOA Fit System, -60°F Comfort Rating

600g Thinsulate Insulated Dri-Blaze Moisture Wicking Liner for superior comfort, warmth and durability Innovative Boa Fit System for lacing with lightweight BOA M4 Dial - Easily loosen and tighten laces without removing your gloves ASTM Composite safety toe; Electrical hazard compliant; Anti-Slip RefrigiWear outsole; Rubber heel plate Features VitaComfort anti-fatigue and gravity-fed moisture management system Comfort Range: -60°F TO 10°F