Callaway X SERIES Dry Sport Fusion Polo. Designed exclusively for core golf, X-Series offers a variety of products and styles capable of performing in any weather condition. With a focus on function, fit, technology, performance and innovation, this X-Series knit combines the latest in fabric technology with the style and design that is Callaway Golf. Short sleeve, two button placket shirt with solid knit collar, split tail hem, Callaway silicon patch on right sleeve, and a Chevron loop label on button left of shirt