Royal Robbins' lightweight River Rock Short-Sleeve shirt showcases a bold plaid pattern and reliable warm-weather performance features. You'll look great and feel in gear while navigating a boulder field or casting a line despite any midsummer heat. The River Rock dries quickly, sheds wrinkles, and has UPF 50+ protection. This performance nylon fabrication has one of the softest hands. Fabric was engineered. To be quick to dry, wrinkle-resistant, and offer UPF sun protection. Contemporary fit. UPF 50+. Regular fit. Mesh lined back yoke. Dual chest pockets with button closure. Side panel gusset. Placket & front yoke are set on the bias. Shirt tail hem. River Rock Plaid 3oz., 100% nylon.