2 Pair Bundle Workrite Nomex IIIA FR Flame Resistant Pants Navy 33x30 Arc 6.6 2 pair bundle. Workrite Nomex IIIA Aramid flame-resistant work pants in a classic navy blue. These heavy-duty industrial trousers feature a professional flat-front design with a permanent crease, side slash pockets, and a rear welt pocket. Engineered for safety, they carry an Arc Rating (ATPV) of 6.6 and meet NFPA 1975 standards for station/work uniforms. The high-performance fabric blend includes 93% Nomex, 5% Kevlar, and 2% antistatic fiber, providing inherent heat and flame resistance. Finished with a brass button closure and sturdy belt loops, these pants offer reliable protection and a clean appearance for demanding work environments. 400NX75MN Measurements: • Waist: 16.5" (33" doubled) • Inseam: 30" • Rise: 12" • Leg Opening: 9" #Tailored