Speed 1000 S IGNITE Running Shoes:The Speed 1000 S IGNITE is the optimal meeting point of maximum stability and premium cushioning at a 12mm heel-to-toe drop. This running shoe is infused with four key technologies to ultimately make you faster. It is equipped with an Engineered Stability Zone in the rearfoot part of the dual-layer midsole, providing maximum support and eliminating overpronation. The midsole also 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.Everfit+ upper and heel lockdown technology.Engineered AirMesh for breathability and comfort.Strategically placed WeaveMesh for upper support.External heel counter to protect Achilles heel.Engineered Stability Zone eliminates overpronation.IGNITE Foam midsole for high-rebound cushioning.EcoOrthoLite® sockliner for increased comfort.Propulsion Zone provides a reflex energy return.EverTrack+ for cushioning and a smoother toe-off.Lightweight – only 365g.