The adidas Ultra Boost 3.0 Mystery Grey comes in a mystery grey, core black-running white color palette. The Mystery Grey adidas Ultra Boost 3.0 features an upper constructed from Primeknit, which offers both a comfortable and breathable fit, ensuring security and flexibility. On the sides, the signature three stripes are featured. The sneaker features a full-length Boost midsole, which provides cushioning and responsiveness. The midsole's Torsion System enhances stability and support, while the outsole's Stretchweb rubber provides traction and durability. A heel counter is included as an additional feature for a secure fit. Our experts love the adidas Ultra Boost 3.0 Mystery Grey construction. It features a responsive Boost midsole that provides unparalleled cushioning and energy return, resulting in a comfortable and energized stride. The Primeknit upper ensures a flexible and breathable fit, adapting to the foot's shape for optimal support and comfort. The adidas Ultra Boost 3.0 Mystery Grey was released on March 25, 2017, and sold for $180.