Gildan Adult Ultra Cotton Long-Sleeve T-ShirtFabric: 6 oz., 100% USA cotton Ash Grey is 99 1; Sport Grey is 90 1 Dark Heather, Safety Green and Safety Orange are 50% cotton, 50% polyester Made with sustainably and fairly grown USA cotton Feature: Double needle stitching throughout Taped shoulder to shoulder Ribbed cuffs Gildan's manufacturing process utilizes 45% renewable energy Gildans Community Investment Program supports education, the environment, humanitarian aid and active living in the