EVERYDAY ENTRY RUNNER. NRGY - CUSHIONINGSOFTFOAM PLUS SOCKLINER - OPTIMAL STEP-IN COMFORT FIT+ LACING - UPPER FIT SUPPORTThe NRGY Asteroid is all about COMFORT. The sleek contemporary upper gives a stylistic approach to a light-weight flexible runner.Smooth Cushioned and Lightweight Ride The SOFTFOAM sock liner combined with the NRGY and EVA midsole gives you a seamless ride as you transition from heel to toe. Stylish Upper: A blend athletic meshes, the upper also has a FIT+ lacing system to kee.