The Extreme Freezer Boot isn't your ordinary waterproof winter work boot. With a comfort rating of a chill-your-bones -45°F, these boots stand out from the pack with the BOA® Fit System for a micro-adjustable fit, our VitaComfort® system keeping your feet dry and puncture-resistant plates to protect you in any terrain. The Extreme Freezer Boot isn't your ordinary waterproof winter work boot. With a comfort rating of a chill-your-bones -45°F, these boots stand out from the pack with the BOA® Fit System for a micro-adjustable fit, our VitaComfort® system keeping your feet dry and puncture-resistant plates to protect you in any terrain. Comfort Rating: -45°F 1200g insulation 8" Leather upper Anti-slip outsole ASTM/CSA composite safety toe Click Here for Size Chart About RefrigiWear RefrigiWear makes some of the world’s toughest, most dependable garments for protection from the cold. We manufacture it with your warmth, your comfort and your safety in mind—for work, play and everyday use. For more than 70 years, RefrigiWear has put our garments through some of the harshest working conditions known to man…from freezing temperatures in the food industry to men and women working on pipelines sub-zero conditions. We have also oufitted consumers living and working in cold conditions with garments ranging from our iconic Iron-Tuff Collection to our best-sellers in the Signature Collection.