Callaway Men's Golf Block Polo with Self Collar 100% Polyester Imported Blocked Polo With Self Collar Callaway Tour Logo On Wearer's Left Sleeve Opti-Dri, Transfers moisture away from the body to help in evaporation Opti-Shield 50, Creates a layer of protection from the sun's harmful rays Opti-Soft, Fabrics are designed for ultimate comfort and performance