Speed 600 IGNITE Women's Running Shoes:Engineered for the ambitious female neutral runner. The women's Speed 600 IGNITE, our pinnacle women's specific running shoe, accommodates the biomechanics of the female body, and is all about making you faster. A three-punch combination of new technologies will propel you ahead of your competition at an 8mm heel-to-toe drop. Its midsole features IGNITE, PUMA's superior cushioning PU foam formula that disperses impact forces while providing optimal responsiveness and energy return. An engineered forefoot Propulsion Zone in the outsole propels you forwards, generating more speed through the toe-off phase, while EverFit+ locks your foot onto the shoe's platform to secure a smooth fit and a secure ride.Smooth operator with neutralCELL.Women's specific fit, upper and midsole.Everfit+ upper and heel lockdown technology.Engineered AirMesh for breathability and comfort.Strategically placed WeaveMesh for upper support.Reflective overlays for visibility and safety.IGNITE Foam midsole for high-rebound cushioning.Lateral release groove and decoupled heel.EcoOrthoLite® sockliner for increased comfort.Propulsion Zone provides a reflex energy return.EverTrack+ for cushioning and a smoother toe-off.Lightweight – only 243g.