We always pursue freedom of running. When we metion free, we think of Nike Free running shoes, which is flexibility and feel more natural on the ground. Nike Free, as its name suggests, more unfettered. But Nike Free not just simple running tools, it can make feet’s muscle more stronger and keep them fit by simulation training. Here comes to a conclusion that Nike Free running shoes do not applicable at a long-distance run. But it's worth noting that Nike Free running shoes has reserved a place for Nike+ chip, which is prove that Nike Free Run is applicable at a long-distance run. When you wearing it, you feel that it was more superior than other running shoes. Throughout Nike Free Run, they not only inherited the good tradition of freedom but also made some innovations in the durability. Nike Free Run is an all-around athlete, it pursue perfect balance on Various performance.