Take your running to new heights with the Mizuno Wave Sky 4 WAVEKNIT Running Shoe. This running shoe for women features a WAVEKNIT upper construction that provides a natural and dynamic fit. The XPOP polyurethane foam insole and Mizuno Enerzy foam technology deliver a plush experience, while the U4icX midsole offers a comfortable, cushioned, and energized ride with high rebound. Inspired by nature, the Wave plate disperses energy from impact to a broader area providing a stable and smooth front ride Provides support in the area around the arch to keep you centered in the shoe. The unique structure of the midsoles in our support shoes assists with overpronation for those who need it Delivers a responsive and lively feel, allowing for an optimized heel-to-toe transition and a smoother running experience Mizuno Wave technology XPOP polyurethane foam insole WAVEKNIT upper construction Mizuno Enerzy foam technology U4icX midsole X10 outsole.