Kirby Pro Shirt from Ariat Color: Nantucket Breeze Athlete-tested and arena-proven, our Kirby Pro Shirt is built to compete. It's engineered with an easy-care performance fabric, which stretches with your every move and looks polished right out of the wash. Add UPF sun protection and a flattering, saddle-ready fit, and you've got a shirt that can keep up. Greater Arm Mobility™ helps extend arm and shoulder range-of-motion so you can move freely Sun Protection Fabric™ helps block harmful UV rays, keeping you covered and comfortable during long days outdoors Button-front closure Chest pocket Stretch fabric moves with your body UPF 40 Breathable, moisture-wicking fabric to help keep you dry 100% Polyester