Measurement around mask exterior: 30 3/4″. Measurement around face interior including padding: 24-26. Black steel and mesh frame construction. Two-part elastic strap with Velcro closures. Thick, bendable black leather tab attached behind the head to help keep mask affixed. Two part padded liner and neck guard. Permanent layer of padding is riveted to mask and removable part is held in place with Velcro strips. Foam interior padding is lined with a layer of stitched red synthetic fabric. The mask bib is rated for 350 Newtons. Size: Medium. Color: Black. Bulk packed.