A smooth ride and the ultimate support on every run. Mesh upper with synthetic suede overlays for structural support. Dynamotion Fit internal straps hug your foot for a secure fit. Molded foam insole for light underfoot cushioning. U4ic midsole with Fan Wave Technology guides foot through gait cycle. X10 carbon rubber outsole for traction and durability in high-impact zones. Wt. 8.6 oz.