4.5 Oz Nomex® Premium Flame Resistant Coverall
4.5 oz. fabric made with Dupont™ Nomex® IIIA brand fibert is a protective aramid fiber which is permanently flame resistant with excellent chemical resistance. ATPC 4.5 cal/cm2. Thread and Zipper made of Nomex® IIIA brand fiber. Non-sparking covered snaps. One-piece action back with elastic waistband. meets or exceeds NFPA 70E, 1971, 1975, 1977, ASTM F1506 Arc thermal performanced tested.