This relaxed fit Flame-Resistant Canvas Shirt Jac from Carhartt is manufactured of 8.5-ounce, FR canvas that's 88% cotton/12% high-tenacity nylon. Features 7-ounce, FR 88% cotton/12% high-tenacity nylon FR twill lining. Antique-finish brass snaps throughout. Two chest pockets with rivet reinforcements. Adjustable two-snap cuffs with extended placets. Carhartt FR and HRC 3 labels sewn on left pocket. Meets the performance requirements of NFPA 70E standards and is UL Classified to NFPA 2112. VPN: 100432.