An important addition to any closet An important addition to any closet. 4.3-ounce (145 GSM)100% combed ring spun cotton 34 singles 60/40 combed ring spun cotton/polyester (Heathers)90/10 combed ring spun cotton/polyester (Light Heather Grey)Slightly slimmer body1x1 rib knit neckTear-away labelShoulder to shoulder tapingOpen hem sleevesPlease note: All heather colors (except for Light Heather Grey) in this product are transitioning from a 50/50 cotton/polyester blend to a 60/40 cotton/polyester blend. Your order may contain a combination of both contents.