Callaway Women's Short Sleeve Opti-Stretch Polo Tee 95% Polyester/5% Spandex Imported Rib knit collar, back princess seams, side vents, embroidered Chevron centered below back collar Hi-low hem approximately 26" length from shoulder Opti-dri technology transfers moisture away from the body to aid in evaporation Opti-stretch fabrics feature interwoven layers of Spandex to ensure maximum range of motion so the garment moves with the golf swing Opti-shield UPF 50 sun protection technology creates a layer that effectively shields your body from the sun's harmful UV rays