• Pre-washed 10 oz FR twill cotton, 10 oz FR duck & 11.5 oz FR denim.• 2 chest pockets with flaps & snap closure.• 3 snap cuffs with sleeve vent.• FR1022DN has FR buttons instead of snaps.• HRC2• NFPA 70E• ASTM F1506 UL• NFPA 2112 UL