Nike Zoom Pegasus Turbo 2 Women's Running Shoes Summit White/Wolf Grey/Lava Glow : Turbocharged and ready to take on the road, Nike Pegasus Turbo 2 running shoes feature a stylish new look as well as impressive performance elements. This everyday training shoe has a much lighter upper than the previous model for a better fit and sleeker profile. A midfoot band helps to hold the foot securely in place while the ZoomX foam provides lasting energy on the run. Upper: A translucent upper material provides lightweight structure and breathability. The heel collar features a flared design that offers exceptional comfort around the runner's Achilles area. Midsole: Full-length Nike Zoom Air unit combines pressurized Nike Air and internal fibers to create cushioning that springs back. ZoomX provides lasting responsiveness. Outsole: A beveled heel and rubber outsole strip help provide smooth transitions. Raised rubber on the bottom provides better traction.