5 oz., 100% polyester jersey knit; Aqua FX � for wicking properties; Freshcare � for anti-microbial properties; Double-needle hemmed 5/8" sleeves and bottom hem; Rib knit 3/4" collar (no topstitch); Snag-resistant; Tear away label; 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