8.3 oz./lin.yd., 100% polyester jersey knit; AquaFX® wicking properties; Freshcare ® anti-microbial properties; Double-needle hemmed sleeves and bottom hem; Rib knit collar (no topstitch); Transitioning to a grey tear-away label. Inventory may be mixed.; 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