Preshrunk t-shirt in 100% cotton, except: Sport Grey: 90% US Cotton / 10% Polyester Dark Heather: 50% US Cotton / 50% Polyester or 35% US Cotton / 65% Polyester Ash: 99% US Cotton / 1% Polyester Seamless twin needle 7/8" collar. Taped neck and shoulders. Rolled forward shoulders for better fit. Twin needle sleeve and bottom hems. Quarter-turned to eliminate centre crease. Care Instruction: Machine wash at max. 30ºC/86ºF with short spin cycle, inside out with like colors Do not use bleach Do not iron Do not dry clean Do not tumble dry