95% Polyester . 5% Spandex. Three-Button Placket. Ribbed Collar. Callaway Chevron TPU logo on left chest & Callaway Tour logo on left sleeve. Opti-Dri: transfers moisture away from the body to aid in evaporation. Opti-Stretch: interwoven layers of spandex to ensure maximum range of motion so the garment moves with the golf swing. Opti-Shield: creates a layer of protection from the sun's harmful rays - UPF 50. Machine Washable. Imported