Opti-Dri technology transfers moisture away from the body to keep you cool and dry. Opti-Shield technology creates a layer of UPF 50 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. Rib knit collar 5-button placket with Callaway embossed buttons Double needle hemmed bottom with side vents Princess seam detail stitching on back for a feminine look Heat seal label provides tag-free comfort Tonal embroidered Chevron on center back neck