Mizuno Wave Rally 4 Indoor Court Shoes Mizuno Wave Technology - Waves unique shape dissipates impact forces away from the foot for a smoother, more cushioned feel on every step. Dynamotion Groove - An innovative outsole design and construction using specifically designed flex grooves to improve stability and on court agility AIRmesh - Allows each running shoe from Mizuno to maintain a high standard of breathability for the life of the shoe, and allows the foot to stay cool. Fan Shaped Wave - with added mid foot support provides performance enhancing cushioning and stability. CMEVA Midsole - Provides cushioning and support for all athletes.