9 oz., 50% USA cotton, 50% polyester; DryBlend? Wicking Performance; Pill-resistant air jet yarn; Made with 50% sustainably and fairly grown USA cotton; Double-needle stitching throughout; Transitioning to a grey tear-away label. Inventory may be mixed.; 1x1 ribbed collar, cuffs and waistband with spandex; Tear away label; 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