5.5 oz., 50% USA cotton, 50% polyester; DryBlend® fabric wicks moisture away from the body; Made with 50% sustainably and fairly grown USA cotton; Double-needle stitching throughout; Seamless collar; Taped shoulder-to-shoulder; Transitioning to a tear-away label. Inventory may be mixed.; Ribbed cuffs; 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