Upper Dynamic synthetic leather, durable body construction with lateral stiffening overlays Midsole Parallel Wave153 technology provides cushioning and stability simultaneously. Molded EVA Foot bed offer incredible shock absorption and an overall well cushioned feel. FlexResponse Forefoot Flex response with Pro Flex multi zone flex points Outsole Mizuno's patented 9 Spike153 configuration is lightweight, comfortable, and provides aggressive traction and stability specifically designed for baseball's primary running, batting, and throwing movements Made with environmentally safe Earth friendly materials