Adidas Women's Alphaboost V1 Sneakers in Cloud White/Wonder Quartz/Grey Five size 8.5. New with box. Built to ground your look in comfort and style, these adidas sneakers will carry you through whatever you've got to do today. Combining Adiprene+, BOOST and Bounce, these cushioned, energy-returning shoes keep you light on your feet. A mesh upper allows the air to flow. Made with a series of recycled materials, this upper features at least 50% recycled content.