The Ultraboost changed the world of running shoes when it was released in 2015, winning fans for its comfort and responsiveness. These adidas Ultraboost 20 Shoes continue the evolution of running technology. The foot-hugging knit upper has stitched-in reinforcement for a locked-in fit. Responsive cushioning adds energy to your stride for that I-could-run-forever feeling. Good for the oceans Primeblue features Parley Ocean Plastic which is made from recycled waste that’s intercepted from beaches and coastal communities before it reaches the ocean.