Air Max 2009 uphold the tradition concept of Nike--innovation and provide with Suspension and Stability which is better than other sports. The maximun capacity of air-cushion was embedded into the PU midsole. Compared to the previous Air Wedge, air max 2009 offer more air. The role of the nike heel not only increases suspension but also uses the lighter air-cushion to replace the tradition materials. So the midsole of Air Max 2009 is far lighter than the shoes which ues of Phylon and PU materials.
