Dial up your performance with Ultra Boost, a premium adidas running shoe that sports a full-foot boost midsole for superior energy return and just-right, trampoline-like cushioning. Designed for a smooth heel strike-to-midfoot transition with the Dual TORSION SYSTEM and finished with the grippy-yet-flexible ZONEMOTION outsole, the Ultra Boost will make each mile a better one. Style Name:Adidas 'Ultraboost' Running Shoe (Women). Style Number: 840915. Available in stores.