A very important tank.; 4.3-ounce, 100% combed ring spun cotton, 34 singles; 60/40 combed ring spun cotton/poly (Frost); 90/10 combed ring spun cotton/poly (Light Heather Grey); Tear-away label; 1x1 rib at neck and armholes; Please note: All heather colors (except for Light Heather Grey) in this product are transitioning from a 50/50 cotton/poly blend to a 60/40 cotton/poly blend. Your order may contain a combination of both contents.