6.75-ounce 100% cotton FR jersey knit - Loose Fit (formerly known as Original Fit) - Loose and Original labeling is a change in name only sizing/fit does not differ. Stock may vary in labeling. - FastDry material wicks away moisture for comfort - Carhartt Force fights odors - Rib-knit crew-neck collar - Left-chest pocket - Side-seamed construction minimizes twisting - Carhartt FR and CAT 2 labels sewn on pocket - Meets the performance requirements of NFPA 70E and is UL Classified to NFPA 2112 - CAT - 2 - ATPV (CAL/CM2) - 8.9