Introducing the Columbia Men's PFG Solar Stream II Short Sleeve Polo Shirt, a breathable polo with sweat-wicking tech and broad-spectrum sun protection. FeaturesOmni-Shade Broad Spectrum Air Flow protects and cools using materials to block a wider range of UV rays while remaining breathable for comfort and safety in the sunOmni-Wick keeps you dry and cool by pulling moisture to the fabric's surface to evaporate, delivering fast-drying, next-to skin comfort in the heatRibbed collar