Callaway Men's Short Sleeve Opti-Stretch Polo Tee 94% Polyester/6% Spandex Imported 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 Opti-Soft: finishes your polo with a smooth feel for enhanced comfort Big & Tall polo shirt with three-button placket, ribbed collar and Callaway Chevron TPU logo on left chest