The Nike Free technology was introduced during the middle of the hyperdunk decade as a running-on-bare-feet form of cushioning. The Free-grooved sole allowed the show to roll up like a roly-poly, allowing your peds to move about in any angle. The nike 1 2 marathon tiffany nike shoes women features a modified traction with additional grooves, using a diamond-mesh upper and a unique layer for maximum breathability (and neat styling too). This white/grey colorway as well as more punchy teal/orange/white is set to release in the Summer 2011 season, just in time for the warmer weather. Take a look at both colorways below and let us know what you think. via rstor.