These ECW Flyer's Mitts are one of the warmest designs every made. Soft outer wool pile is great for warming your nose or cheeks. Durable leather thumbs and palms. Includes wool liners you can take out or wear on their own. Outer wool pile for warming your nose or cheeks Nylon shell Leather thumbs and palms Removable wool liners Adjustable straps on back for a comfortable fit