Dial up your performance with UltraBoost, 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 flexible STRETCHWEB rubber outsole, the UltraBoost will make each mile a better one. Style Name: Adidas Ultraboost X Sneaker (Women). Style Number: 5267846 5. Available in stores.