This is Carhartt's classic heavyweight t-shirt in a long sleeve version. Same great weight and quality as the classic K87 tee, and same great durability and construction. This long sleeve tee is made for workwear function and breathable cotton comfort. Model: K126 Color: Carbon Heather (CRH) 6.75-ounce, 60% cotton / 40% polyester jersey knit Rib-knit collar and cuffs Side-seamed construction to minimize twisting Left chest pocket with sewn-on logo label Tagless neck label View all Carhartt K126 t-shirt colors View all Carhartt long sleeve t-shirts Fit Guide: Loose Fit - Cut larger around the chest for more room to move while. Sizing is measured in inches around the chest: Small (36-38"), Medium (40-42"), Large (44-46"), XL (48-50), XXL (52-54"), 3XL (56-58").