Columbia Women's Silver Ridge Long Sleeve Shirt 100% Other Fibers Imported Omni-Wick. Omni-Shade UPF 40 sun protection Sun protection collar. Vented. Roll-up sleeve, fit slightly small. Zippered chest pocket Stash pocket Sun protection cuff Omni-Wick Advanced Evaporation Omni-Shade UPF 40 Sun Protection Zippered Chest Pocket Sun Protection Collar