5 oz., 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; Gildans Community Investment Program supports education, the environment, humanitarian aid and active living in the communities we do business in