CLOSEOUTS . Columbia Sportswearand#39;s Royce Peak plaid shirt is a suave button-down with the high-performance chops a sweaty trail day requires. UPF 50 treated fibers are enhanced with Omni-Wickand#174; advanced evaporation technology and mesh-vented armholes for serious cooling. Available Colors: BAKER, CLEAN GREEN, MOUNTAIN, BACKCOUNTRY ORANGE, SEDONA SAGE, WINDSWEPT. Sizes: S, M, L, XL, 2XL.