RefrigiWear Fleece Lined Insulated Leather Mitt Glove MATERIAL: Extremely durable - made to last with split cowhide leather construction; Additional reinforced leather on palm and thumb to help prevent wear and tear in the areas that will be used most for handling materials INSULATION: Protect your hands from the cold with 160g fiberfill plus extra foam insulation with comfortable tricot lining DURABILITY: Kevlar threading at the seams PLUS split cowhide construction with reinforced palm and thumb creates more durability for years of use SAFETY CUFF: Keep your wrist areas protected and warm with safety cuffs and extended heavy duty knit wrist COMFORT RATING: -20 degree Fahrenheit temperature rating. Ratings are based on outershell material, insulation thickness and material as well as glove construction