UV protection performance rated to UPF50 according to JIs L 1925:2019 for outdoor use. Special breathable mesh fabric. With quick-drying “DRY-EX” technology. Ultra Stretch fabric stretches in all directions for easy movement. Side pockets with slide fasteners to keep your belongings safe while you exercise. Full-length front opening offers convenience compared to pullover athletic styles. Long sleeves with thumb holes extend coverage to the back of the hands during outdoor wear. Regular fit creates a balanced silhouette that layers easily over T-shirts or tanks.