These Mizuno Wave Sky 7 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 Enerzy 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 rubber outsole for added traction and durability for long lasting wear. With a completely refreshed design, the Mizuno Wave Sky 7 shoes maintain excellent stability and cushioning with every step. They showcase a stretch-knit upper featuring breathable perforations and a gusseted tongue that moulds to your foot for maximum comfort. - Lightweight breathable textile / synthetic mix upper - Secure lace up fastening - Padded heel and ankle collar - Mizuno Enerzy Midsole - Heel clip for a locked in fit - Cushioned soft textile enhances comfort - Mizuno Enerzy Midsole - X10 Carbon rubber outsole - Ultra lightweight fit and feel - Comfort cushioned insole - Mizuno branding