100% Polyester Imported Button closure Machine Wash MOISTURE WICKING: This men's golf shirt features Opti-Dri moisture-wicking technology that wicks sweat away from your body while allowing optimal breathability, so you can always finish your game feeling dry and comfortable. VENTILATED FOR YOUR COMFORT: The Callaway short sleeve golf shirt has ventilated fabric that circulates air to transfer heat away from your body to keep you cool. With this golf shirt, those hot days won't stop you from working on your game. SUN PROTECTION: This collared golf shirt has built-in sun protection that prevents harmful UV rays from penetrating the fabric of the golf top, helping to protect covered skin on sunny days spent outdoors. STRETCH: The men's polo shirt is made from stretch fabric that allows for a full range of motion for smooth swings on every hole without ever feeling constricted. GENEROUS FIT: This style was created with a more generous fit to comfortably accommodate more body types. EXTENDED SIZES: This golf shirt is available in big and tall sizes to provide comfortable coverage and a full range of motion.