Features: 

• 12.5-ounce 98% Cotton/2% Spandex FR denim
• Meets the performance requirements of NFPA 70E/ASTM F1506 UL® classified to NFPA 2112
• Rugged Flex® stretch technology
• Sits at the waist
• Straight leg opening
• Brass zipper fly with Nomex® FR zipper tape
• Arc-resistant button closure at waist
• Stronger sewn-on-seam belt loop
• Carhartt FR label sewn on back pocket
• NFPA 2112/CAT 2 label sewn on waistband
• Two reinforced back pockets