Outlast the inclement weather with style and comfort in this Callaway Long Sleeve 1/4 Zip Pullover. The pullover features Opti technology, which help you stay comfortable day and night. Opti-dri moisture wicking technology pulls sweat away from your body so you can cool down in the heat. Opti-stretch technology gives your arms the freedom to move unrestricted during your swing. UPF 50 Opti-shield technology gives your skin superior sun protection versus non-UPF fabrics to keep your skin healthy.