These pre-owned shoes are in good used condition. Mild yellowing occurs on some parts of the shoes, and slight scuffing on the blue toes. 2008 release for the Beijing Olympics - Official sneaker as worn by Michael Phelps and many other USA athletes at the 2008 Olympics - Navy sock fit mesh upper - White 'bird's nest' Olympic Stadium inspired TPU overlay - Lightweight midsole with navy Nike logo - Team USA and starts details - Size 11 US