Nike Free Shoes

nike free shoes were started with the free 5.0 in 2005 and addressed some of the durability issues in the earlier model. among other changes, the heel and sidewalls of the shoe were redesigned to prevent tearing. with the re-emergence of thin soled shoes in various sports the market has grown considerably. the outsoles feature siping and reverse flex grooves to encourage flexion and extension in both directions. a lightweight seamless upper atop this flexible outsole, nike free shoes merge the natural, healthy motion of a bare foot with the protection of traditional footwear.