95% Polyester . 5% Spandex. Self Collar. Four-Button Placket. Callaway Chevron TPU Logo on back center. 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 Wash Cold. Tumble Dry. Imported