Callaway Men's Golf Mini Check Short Sleeve Polo Shirt 100% Polyester Imported OptiDri: transfers moisture away from the body to aid in evaporation OptiShield: create a layer of protection from the sun's harmful ways OptiGenic: anti-microbial treatment keeps the garment fresh over time, reduces order and helps maintain durability 3-Button placket with Callaway embossed buttons and tonal embroidered Chevron logo inside placket Tonal embroidered Callaway logo on right sleeve