Make the most of each one in these adidas by Stella McCartney running shoes. As you push forward, the flexible adidas Primeknit upper adapts to the changing shape of your foot. The more you pour into your run, the more energy the plush Boost cushioning returns. So whether it's one more block or one more mile, you're not just supported. You're encouraged. This product is made with Primeblue, a high-performance recycled material made in part with Parley Ocean Plastic. 50% of the upper is textile, 75% of the textile is Primeblue yarn. No virgin polyester.