This shoe is for people who truly treasure their runs as an important part of their lives. It offers Mizuno's highest level of energy return and cushioning, giving the wearer a comfortable running experience that almost feels like floating. It is loaded with Mizuno's signature technology and features, including MIZUNO ENERZY CORE for great cushioning and energy return, MIZUNO ENERZY FOAM for even more cushioning and energy return, and MIZUNO WAVE for balance.