Callaway Women's Short Sleeve Tonal Polo Shirt 92% Polyester/8% Spandex Imported Opti-Dri technology transfers moisture away from the body to keep you cool and dry Opti-Shield technology creates a layer of UPF 50 sun protection from the sun's harmful rays Opti-Stretch fabric features interwoven layers of spandex to ensure maximum range of motion so the garment moves either with your golf swing or at work Self collar, open placket, feminine rushing shoulder detail Tonal embroidered Callaway logo on center back neck