8.8 oz./lin.yd., 100% preshrunk USA cotton; Ash Grey is 99% cotton, 1% polyester; Sport Grey is 90% cotton, 10% polyester; Made with sustainably and fairly grown USA cotton; Double-needle stitching throughout; Seamless rib at neck; Taped shoulder-to-shoulder; Seamless double-needle 1" collar; double-needle sleeve and bottom hem; Taped neck; sideseams with slightly tapered Missy fit; 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