5.5 oz., 50% USA cotton, 50% polyester; Htr Sport Royal, Htr Sport Dark Navy, Htr Sport Scarlet Red: 65/35 poly/cotton; DryBlend® fabric wicks moisture away from the body; Made with 50% sustainably and fairly grown USA cotton; Double-needle stitching throughout; Seamless collar; Transitioning to a grey tear-away label. Inventory may be mixed.; Taped shoulder-to-shoulder; Gildan's manufacturing process utilizes 45% renewable energy; Gildan's Community Investment Program supports education.