The race has changed over the years , but has feet . For more than a decade , the famous Nike athlete Technical University of exercises and activities offered Lananna found that a bull run barefoot . Became interested in the challenge : to create a shoe that mimics barefoot running movement , while protecting the feet . The Flywire technology, which ensures the support and lightness , now , was born in 2004 , and was the cheap Nike Frees .

Nike , Toby Hatfield , according to findings from the laboratory director and sometimes the feet is reduced. " We train all parts of the body , but we tend to forget the feet , and the upper part of the whole process . " They will form the basis of the movement . What should be done when each of them had been born free Biomechanics : natural movement. The cheap Nike Free 5.0 +, and exactly what to do . They are flexible and with normal function , sustain .

Natural movement is bad , but the most important thing is always the product of an athlete to work . Sprinter Allyson Felix is a professional gymnast Gabby Douglas and training as part of a plan to use the free distance runner tattanitamum Ritzenhein . According to them , the Nike low sample heating and cooling , recovery and endurance training is an important tool .