9 oz., 80% combed ring spun USA cotton, 20% polyester; 100% cotton face fabric ; 100% cotton thread on color White; Graphite Heather: 60% cotton, 40% polyester ; Made with 80% sustainably and fairly grown USA cotton; Half moon back patch; Tear away label; Double-needle stitching at shoulder, armhole, neck, waistband and cuffs; 1×1 rib with Spandex; Gildan’s manufacturing process utilizes 45% renewable energy; Gildan’s Community Investment Program supports education, the environment, humanitarian aid and active living in the communities we do business in