When it comes to copping summertime kicks, lightweight runners are on most people's lists. While some of these shoes favor function over form to the point of aesthetic horror, there are also some kicks out there that you can run a 5K in and then still look fresh for the orange slice afterparty. Hit the jump to see our picks for the 10 best lightweight running sneakers out now. They're as good in the club as they are on the track.