4.5 oz./yd², US grown, 100% ring-spun cotton, 30 singles. CVC - all other heather colors are 60/40 cotton/polyester. Double-needle hem and sleeves. Black tear away label. Pre-shrunk. Modern fit. Ash and Marbled colors are 99/1 cotton/polyester. Clean Canvas Technology for superior printability. Shoulder-to-shoulder taping. Set-in narrower ribbed collar. Light Steel and Red Pepper Heather are 90/10 cotton/polyester.