Seen from the exterior   design of the shoe,Nike air max 2009 presented us a simple   design style.however,a few slightly unusual design details prove another   point:the series of the ,Nike air max shoes are not the simple   one actually.First,Nike air max 2009 used to the high heel   design,this is particularly important to increase volume of the air-cushion   shoes;sencond,Nike air max 2009 add an elastic design in the tongue so as to   increase athletic shoes's stability and wrapped;Last,Nike   air max 2009 shoes's net side has very good breathability.