6 oz, 100% cotton pre-shrunk, (Ash: 98% cotton / 2% polyester, Heather: 90% cotton / 10% polyester) High density ring-spun cotton fabric for exceptional print clarity Quarter-turned to eliminate center crease and shoulder-to-shoulder taping. Double-needle stitched sleeves. Tearaway label For the best results, wash inside out, in cold water, dry low heat, tumble dry. Do not iron decorated areas. Bottom hem and front collar and 1×1 rib seamless collar.