Boston based advertising photographer and director JJ Miller recently shot the Reebok CrossFit Nano 4.0 at the 2014 Reebok CrossFit Games. Miller filmed live at the 2014 Reebok CrossFit Games. The CrossFit Games are the ultimate test of fitness and took place from July 23 - 27 at the Stub Hub Center in Carson, California. There were 630 athlete performing over four days with 13 chances to prove themselves. Watch Millers' shoot for the only shoe tough enough to handle whatever the games throw at you. The Reebok CrossFit Nano 4.0 is the official shoe of fitness. See his video on Vimeo here and on YouTube here. And see the The 2014 Reebok CrossFit Games Highlights here.