The Nike Air Pegasus + 2007 running shoe maintains consistencies from the 2006 version with improved natural motion cushioning. Breathable mesh upper with integrated synthetic overlays adds a supportive and dynamic fit surrounding the foot. Nike+ technology. Air-Sole® units in the heel and forefoot. New NM decoupled soft PU crash pad offers a smooth landing. PU rideliner provides extra comfort and longevity, Fitsole. BRS 1000™ heel gives durability and sticky rubber in the forefoot delivers better traction. Natural motion engineered flexgroves. Wt. 13.2 oz.