These Mizuno Wave Skyrise 4 running shoes are constructed with a textile and synthetic upper, offering the ability to generate a breathable internal environment, allowing air to permeate the exterior providing a high standard of breathability and comfort. Mizuno have engineered a superior lightweight Mizuno Energy midsole compound providing premium high-level cushioning while being ultra-lightweight helping you to stride for longer than before in an all-round lighter more supportive runner. Finished off with a durable outsole for added traction and durability for long lasting wear.