All-around performance in a technical T that's made for hiking, running, and backpacking. The Mountain Hardwear Photon Short Sleeve is the first shirt you'll look for when it's time to head out for your favorite active pursuits. It's made from a perforated fabric that lets air in to keep you cool, and has excellent moisture-wicking abilities along with great stretch. Overheating will never be a problem, and you'll enjoy effortless ease of movement.