Details:
X10
Durability and Traction. X-10 provides the most durable carbon rubber  from Mizuno, it allows for longer wear in high impact areas and  provides more traction at heel strike.
Mizuno Enerzy NXT
 Latest version of the Enerzy compound, designed to maximize energy return and cushioning for optimal performance.
Smooth Speed Assist
Midsole and outsole design that refines running technique while maintaining the ideal pace from start to finish of competitions.