COLUMBIA MEN'S WILD CAST SUN SHIRT - COOL GREYFor cloudless days on the water, this long sleeve top delivers cooling comfort, quick drying performance, and UPF 50 protection to keep you covered and comfortable under the sun. FEATURES: Omni Shade Broad Spectrum UPF 50 guards against skin damage with advanced fibers and fabrics that block a wider range of UVA and UVB rays, so you stay safer in the sun Omni Freeze enhances comfort in warm conditions with accelerated wicking that helps you feel cool