Description Lapco FR flame resistant, ARC Rated, 7oz. 88% Cotton 12% Nylon Blend Twill flame resistant uniform shirt is UL Classified NFPA 2112. Four rows of lock stitching on the front placket to prevent unraveling. Double needle stitching on pockets, flaps, and shoulder seams. Sewn with Nomextm) thread. Color matched FR buttons and button-down collar, for a professional look. Uniform styling with back pleat for ease of movement. Safety: ATPV 8.3 cal/cm(tm)| HRC 2| ASTM F1506| NFPA 70E| UL Classified NFPA 2112