NFPA® 2112. Arc Rating ATPV 4.4 cal/cm2. Fabric is flame-resistant 4.5 oz, 93% Nomex® Aramid/5% Kevlar® Aramid/2% Other Fiber Nomex® IIIA. This FR lab coat has concealed snap front closure to avoid scratching surfaces, four front mitered style pockets for ample storage