Speed 500 IGNITE NightCat Men's Running Shoes:Our performance running shoe Speed 500 IGNITE is built for the runner who's looking for that extra edge of speed for fast, everyday training. Its full-length IGNITE Foam midsole with increased energy return properties reduces your ground-contact time and increases cadence. An engineered forefoot Propulsion Zone in the outsole propels you forwards, providing a powerful, snappy toe-off that increases stride length. Along with reflectivity for safety in low-light conditions, this NightCat version's upper is equipped with a water-repellent treatment to keep your feet warm and dry.Smooth operator with neutralCELL.Breathable mesh upper.Reflective print: Stay safe and be seen on dark winter night runs.Water-repellent coating for full protection against the elements. Perfect for tough winter conditions.EVERFIT: Upper lockdown technology that secures the midfoot without inhibiting the foot's natural movement.Moulded DSC Supreme Sockliner: High-rebound and long-lasting moulded sockliner for instant step-in comfort. The first phase of a smooth ride.IGNITE Foam midsole for high-rebound cushioning.Propulsion Zone provides a reflex energy return.EverTrack for durability in high-wear areas.Heel-to-toe drop: 6mm.