When comfort and cooling are crucial, reach for the Marmot Women's Short Sleeve Essential Shirt. This scoop neck top wicks away moisture, dries in a blink, and keeps your torso bathed in fresh air thanks to the polyester mesh panels. Flatlock seam construction minimizes chafing whether you're hiking, climbing or chasing your four legged escape artist. UPF 25 gives your core a little extra immunity from harmful solar radiation. In case you find yourself running past daylight hours, the built in reflectivity will help you visible to drivers on the road.