4.5 oz./yd²/160 gsm (US), 7.5 oz./L yd (CA), 100% polyester jersey; Moisture-wicking properties; Anti-microbial finish; ChromaSoft™ technology combines the colorfastness of cationic dyes with soft cotton-feel performance; Active fit; Three-button placket with self-fabric collar and integrated collar stays; Side vents; Dyed-to-match buttons; Tear-away label;