Smiling makes you run faster. True story! Don't believe us? Try it! Smiling reduces the perception of pain and the perception of effort. Once you're a believer, come back and get this shirt. Or, get it now and wear it as a reminder. At a minimum, you're going to make someone else smile. Smile in your next race and tag @ashkickn in your post race photo. You're smile makes us smile and we want to celebrate with you!