Sun Drift Cooling Short Sleeve ShirtWhether youre trail bound or an in town regular, this collared button up is built for style forward comfort with incognito performance. Lab tested to lower skin temp, this UPF cooling fabric is built with the worlds first technology to deliver instant and continuous cooling before the first sign of sweat. Feel the tangible coolness of this shirt even before you put it on. It keeps you feeling fresh on the warmest and sunniest days and looking sharp,