These U.S. Military Flyer's Mitts provide confident warmth for hard-working hands in cold conditions, or at high altitude. Soft outer wool pile is great for warming your nose or cheeks. Durable leather thumbs and palms. Includes liners you can take out or wear on their own. Outer wool backing for warming your nose or cheeks Nylon shell Leather thumbs and palms Removable wool liners Adjustable straps on back for a comfortable fit