Tyndale Women's Industrial FR Work Pants FR Cotton Blend Made in USA 9oz Amtex FR 88% Cotton 12% Nylon Twill; Button closure Set in hip pockets, left with button inner facing on front pockets; Reinforced crotch Flash fire rated - meets NFPA 2112; Exterior Tyndale FR, arc rating, and CAT labels Made in USA by Tyndale ArcRating: 12.2 / HRC: 2