Made with 6 oz. flame-resistant treated cotton. Features Nomex® thread and zipper, non-sparking covered snaps and 1-piece action back with elastic waistband. Pockets: (1) each chest and back, (2) pass-throughs and hammer loop. Soft to the touch. Lightweight, cool and comfortable. Retains flame resistance for up to 50 washes. Meets ASTM F1506, arc rating: 7.2 cal/cm², NFPA 70E/CAT1.