The shoe flexes in the forefoot and in a short time snaps back into put. This can make the Pegasus very good at tempo runs. The Zoom Air unit is total size so for making the shoe flexible, Nike decreased the thickness from the Zoom Air device. They are also http://salomon-womens-running-sh83603.bleepblogs.com/9665339/considerations-to-know-about-nike-air-zoom-pegasus-36-academy