90% Polyester . 10% Spandex. Big & Tall. 1.4 Zip. Mock Collar. Callaway Tour logo on left sleeve. Opti-Therm: insulated fabric designed to withstand the cold and provide a layer of thermal comfort. Opti-Dri: transfers moisture away from the body to aid in evaporation. Opti-Stretch: interwoven layers of spandex 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