MIZUNO WAVE: The MIZUNO WAVE plate disperses energy from impact to a broader area providing a stable platform and a superior cushioning. XG Rubber: Extra grade rubber. High traction (grip) to the floor. INTERCOOL: Cool and dry. Offers great breathability. Ventilation system reduces heat and humidity build-up inside the shoe during performance. MIZUNO ENERZY NXT: The next generation of MIZUNO ENERZY midsole material. Designed to maximize energy return and cushioning for optimum performance. U4icX Midsole: A lighter, more cushioned iteration of U4ic, delivering a softer underfoot feeling for a smooth transition.