Keep every step charged with all the energy you put into the adidas Ultraboost 20. Boost cushioning fuses thousands of tiny energy capsules for the most comfortable ride adidas has ever produced. Get out what you put in. adidas Ultraboost 20 features: techfit™ four-way stretch mesh upper offers natural flexible support and a seamless sock-like fit. FORMOTION® adapts to the ground to ensure the smoothest most comfortable run possible. TORSION® SYSTEM gives you midfoot integrity. Molded overlays and heel cage add support. miCoach compatible for technical feedback on every run. ADIWEAR™ outsole offers the ultimate in high-wear durability. Imported.