Comfort, performance, and sustainability come together beautifully to form the Wave Neo Ultra. It’s our first time using all three proprietary midsole materials, MIZUNO ENERZY CORE, castor bean oil based MIZUNO ENERZY LITE, and bio based MIZUNO ENERZY (FOAM), together in one performance package, providing an unique feel you have to experience. The Wave Neo Ultra is designed to cushion your run and lessen impact on the environmentUndyed Mesh Upper Mizuno Enerzy Core Mizuno Enerzy Lite Mizuno Enerzy (Foam) Waveknit G3 Outsole Mizuno Wave Mizuno Women's Wave Neo Ultra Undyed Running Shoe