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. 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-fabric collar Open placket Feminine ruching shoulder detail Double needle hemmed bottom with side vents Heat seal label provides tag-free comfort Tonal embroidered Callaway logo on center back neck