Komainu is the Japanese Lion Dog.  Waxed Cotton Denim with grommet air nostrils.  Red top stitching with black cotton ribbon.  New, Foam Nose Bridge Construction, insures maximum comfort.  Velcro back.  Japanese textile print lining.  Two PM 2.5  Active Carbon Filters included. (N95 Compliant).  Regular fits most head sizes, large is 1 inch longer.