L, M, S, XL - Whatever comes your way, there's no need to sweat it. The Endurance waffle knit golf shirt is constructed of 6.3 oz 100% polyester and features UltraCool (TM) system to control & manage perspiration. Accented with a narrow 3-button placket, self-fabric collar and cuffs & square bottom with side vents. Khaki contrast piping along inner back neck. Big & Tall sizes available. Not all colors are available in all sizes. Peak performers. Easycare - easy wash & wear with machine wash & tumble dry.