6.5-oz. flame-resistant fabric is a blend of 55% modacrylic and 45% cotton. Rib-knit collar and cuffs. Three-button front with F.R. melamine buttons. Side-seamed construction minimizes twisting. Longer length provides coverage while reaching and bending on the job. Left-chest pocket. Carhartt F.R. label sewn on hem. HRC 2 label sewn on left-chest pocket. NFPA 70E compliant. Flame-resistant fabric by Innovative Textiles, Inc. Imported.