Body - 6 oz./yd/210 gsm (US), 10 oz./L yd (CA), 100% polyester pique. Contrast - 6 oz. polyester heather pique in upper body. Moisture-wicking. Anti-microbial. ChromaSoft technology combines the colorfastness of cationic dyes with soft cotton-feel performance. Self-fabric collar and integrated collar stays. Three-button placket. Tear away label.