5 oz./yd, pre-shrunk 100% cotton . Ash is 98/2 cotton/polyester. Athletic Heather is 90/10 cotton/polyester. Black Heather, Retro Heathers, Safety Colors, and Neons are 50/50 cotton/polyester. High-density fabric for exceptional print clarity. Seamless 1x1 ribbed collar. Shoulder-to-shoulder taping. Ribbed cuffs with concealed seams. Double-needle stitched sleeves, bottom hem and front neck. Quarter-turned . Tear away label .