• Nomex• thread and zipper • Non-sparking covered snaps • One-piece action back with elastic waistband • Meets ASTM F1506 • Arc Rating: ATPV = 7.2 cal/cm2; • NFPA 70E / HRC = 1 • Flame resistant through 50 washes • Pockets: 4 total -1 chest, 1 back, 2 front pass throughs & hammer loop