Whether you 're 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 world 's 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, wear after wear, thanks to wrinkle-resistance. Mountain Hardwear Sun Drift Cooling Short Sleeve Shirt Mens | Multi Gray | Medium | Christy Sports