ORIGINAL FIT 7-ounce, FR twill: 88% cotton/12% high-tenacity nylon Button-down collar with button closure FR melamine buttons throughout Two chest pockets with flaps and button closures Extended sleeve plackets with two-button adjustable cuffs Triple-stitched main seams Carhartt FR label sewn on left pocket; NFPA 2112/CAT 2 label sewn on sleeve placket Meets the performance requirements of NFPA 70E and is UL® Classified to NFPA 2112