Made in USA14 oz FRMC Denim; INHERENTLY FLAME RESISTANT FABRIC Waist fits "True to size" across waistlineTriple needle construction; Standard five pocket with side rule pocketLeg opening fits over boots; Flash fire rated-meets NFPA 2112Exterior Tyndale FR, arc rating, and HRC labels; Made in USA by TyndaleArc Rating:ATPV: 15.3/HRC:2EUC