Iconic Performance. Now in its 24th edition the iconic Wave Rider delivers on the smooth transition and responsive ride this shoe is loved the world over for. This season sees the introduction of MIZUNO ENERZY to the heel wedge – providing an even more cushioned landing with increased energy return, improving on the SmoothRide this shoe is known for. The upgraded upper fit and new tongue construction provides the next level of performance and comfort. MIZUNO ENERZY heel wedge provides increased cushioning and energy return Mizuno Wave delivers cushioning, stability, and response for a SmoothRide Engineered air mesh provides a soft, breathable, and flexible fit Gusseted tongue construction hugs the mid-foot for a superior fit