Built for the coldest days, the Frontier Mittens are waterproof, hand-waxed, and made to take on wild Wyoming winters. Layering Breakdown: All-Natural Beeswax Coating Grade A Cowhide Leather 100% Waterproof Membrane Heat Reflector & Wind Stopper Thinsulate Insulation Extended Wrist Cuff Palm-Side Insulation Rating = 380 grams 80g Foam Insulation 150g Thermal Insulation 40g Thinsulate Insulation 110g Fleece Interior Back-of-Hand Insulation Rating = 490 grams 110g Proprietary Heat Shield + Windstopper 80g Foam Insulation 150g Thermal Insulation 40g Thinsulate Insulation 110g Fleece Interior Additional Features: Coated in natural beeswax for additional weatherproofing Extended wrist cuff to keep warmth in and snow out Keystone thumb design Steel D-ring for leash attachment and storage Personalization with hand-branded initials available Wrist Leashes included ** wax coating provides additional leather protection but is not the waterproof element. Leather will show water absorption, and the internal waterproof membrane protects from external moisture. These run small so may size up. DO NOT: Wring out like a dish towelPlace too close to the fireDry on your car exhaustTurn inside outSet on a radiatorPut in the microwave