Upper: 3D-Solid circle/bridge shape materials provide flex, support, breathability & durability for step-in comfort. Updated bootie construction and thin tongue Midsole: Mizuno Enerzy paired with Mizuno Wave technology provides cushioning and rebound; lightweight insole helps with rebound and shock absorption Outsole: D-Flex Groove and DuRubber provide durability and flexibility for quick steps and pivots on the court