95% Polyester.5% Spandex. Two Button Placket. Ribbed Collar. Callaway Tour TPU Logo on Left Sleeve. OptiDri: transfers moisture away from the body to aid in evaporation. OptiStretch: interwoven layers of spandex to ensure maximum range of motion so the garment moves with the golf swing. OptiVent: fabric allows for the garment to have maximum breath-ability. Machine Wash Cold. Tumble Dry. Imported