Gildan Men's G240 Ultra Cotton Long Sleeve T-Shirt 100% Cotton 100% preshrunk cotton. Double-needle stitching throughout. Taped shoulder-to-shoulder. Ash Grey is 99% cotton, 1% polyester. Sport Grey is 90% cotton, 10% polyester. Safety Green and Safety Orange are 50% cotton, 50% polyester. Dark Heather is 50% cotton, 50% polyester.