This Cold Weather Face Mask is made to strict U.S. Army specs, based on a design originally intended for extreme arctic and mountainous environments. Fully covers the mouth and nose, to help prevent frostbite and keep you functioning at 100%. An essential investment for long-range snowshoeing, snowmobiling, or conducting chores and repair work in deep-freeze conditions. Made for extreme below-zero temps Patterned after effective U.S. Mil.-issue model Rugged plastic outer shell Soft cotton inner lining Snap-close nose and mouth Adjustable head straps for a snug fit