6 oz./yd²/210 gsm (US), 10 oz./L yd (CA), 100% polyester pique; 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;