You’re not one to put your feet up on the job, even with long shifts in extreme conditions. Fight foot fatigue & frigid conditions while staying safe with the Extreme Pac Boot, comfort rated for temperatures as low as -60�F. Our cold-weather work shoes have 9-inch waterproof nylon & leather uppers. These winter work boots fight fatigue with VitaComfort®, which absorbs the shock to your feet from walking & standing all day. The boots are also electrical-hazard compliant for added safety. Dial into comfort with the durable BOA® Fit System for a fast, effortless, snug fit all day, without removing your work gloves. Comes with 1 pair of 1700L liners. The entire Extreme Collection, now with head-to-toe protection, was designed for comfort, style, & the ultimate warmth. When the cold warns you to stay at home, take it to the Extreme. Comfort Rating: -60�F to 10�F 9" Leather/nylon upper Anti-Slip RefrigiWear® outsole ASTM Composite toe The BOA® Fit System for a mic