6.1 oz./yd, pre-shrunk 100% ringspun cotton. Ash is 99/1 cotton/polyester. Light Steel is 90/10 cotton/polyester. Charcoal Heather and Oxford Grey are 60/40 cotton/polyester. Shoulder-to-shoulder taping. Double-needle stitched lay flat collar, sleeves, and bottom hem. Black Label transitioning to tear away label.