X10 Outsole: Durable carbon rubber that allows for longer wear.
U4ic Midsole: Delivers optimal shock reduction, durability, and a superior ride. Innovatively light, well cushioned, responsive, and resilient.
Enerzy Foam: Mizuno Enerzy Foam offers greater responsiveness and enhanced spring-like properties when compared to previous Running EVA materials, namely U4ic and U4icX.