6.75 ounce, FR jersey knit: 100% cotton. Carhartt Force® fights odor and its FastDry® technology wicks away sweat for comfort. Rib knit collar and cuffs. Left-chest pocket. Side-seamed construction minimizes twisting. Carhartt graphic on left sleeve. Carhartt FR and NFPA 2112/CAT 2 labels sewn on pocket. Meets the performance requirements of NFPA 70E and is UL® Classified to NFPA 2112. Imported.