Our UPF 50+ button down shirt protects you with feel-good, silky-smooth softness and keeps you cool and dry with our exclusive Cooltect™ technology. You can confidently go from course to clubhouse by adjusting the customizable collar on this sun-smart button up shirt! UPF 50+ Convertible collar for customizable neck coverage Ventilation at back yoke and under arms for breathability Asymmetrical cuff shape with curved front hand shield for added hand protection Curved shirttail hem Classic fit Cooltect™ technology accelerates moisture wicking for a cooler workout Antimicrobial protection infused at the fiber level prevents the growth of 99.9% of bacteria to help eliminate odor Active Athlon™ fabric: Lightweight and breathable with moisture wicking for quick dry performance