The Flame Resistant Canvas Shirt Jacket is 8.5-ounces and features 88% cotton/12% high-tenacity nylon and a twill lining. You'll find antique-finish brass snaps, two chest pockets with rivet reinforcements for durability, and adjustable two-snap cuffs with extended plackets. Carhartt Flame Resistant and HRC 3 labels are sewn on the left pocket. It meets the performance requirements of NFPA 70E standards and is UL Classified to NFPA 2112.