ULTRABOOST 19 SHOES RESPONSIVE RUNNING SHOES WITH AN ADAPTIVE KNIT UPPER. Ultraboost reinvented. These running shoes reboot key performance technologies to give you a confident and energy-filled run. The knit upper has a second-skin fit and is built with motion-weave technology for adaptive stretch and support. Dual-density cushioning delivers medial support and an energized ride. ENGINEERED FIT adidas Primeknit 360 upper offers an engineered fit that expands and supports as you move through each stride ENDLESS ENERGY Dual-density Boost cushioning on the medial side provides energized stability for a smooth, responsive ride SUPPORT THROUGH YOUR STRIDE Torsion Spring is embedded in the midsole to provide support during landing and propulsion at toe-off ULTRABOOST 19 MORE COMFORT. MORE RESPONSIVENESS. MORE BOOST. To create the next iteration of Ultraboost, we stripped down the original silhouette to four key components. The result is our most responsive shoe: Ultraboost 19. Now, a pack of new Ultraboost 19 colorways are about to hit the streets—remixing iconic Boost style with the latest running tech. Experience the performance running shoe that returns more energy than ever thanks to its new components.