Be ready for a day on the job, no matter what work brings in the Carhartt Flame-Resistant Lined Utility Denim Jean-Relaxed Fit. Lined for comfort in 7.0-ounce FR twill (88% cotton/12% high-tenacity nylon), the Carhartt Flame-Resistant Lined Utility Denim Jean delivers warmth on windy or wintry work days. Garment washed for a soft finish, it's constructed of rugged FR 14.5-ounce, 100% cotton denim. The straight-leg jean sits slightly below the waist, offers a relaxed-fitting seat and thighs, and includes leg openings that fit over work boots. Built Carhartt tough, the two back pockets are reinforced, and the main seams are triple stitched for extra strength. *Meets NFPA 70E and NFPA 2112 standards*HRC 2 ATPV 33