Energy assured, from dusk until dawn. These shoes will get you moving like the wind, flowing like the ocean. An upper with yarn made from ocean plastic locks your feet in, the right way. Turning pollution into performance. The adidas Ultraboost 20 features improved cushioning, support and a flexible Primeknit upper. Adapting to the shape of your feet with every step. Built upon a durable BOOST midsole, responsive cushioning helps you find energy during the final stretch. Designed to run with confidence and style - adidas and Stella McCartney continues with the updated Ultraboost S. Forming a sleek silhouette, in a bold colorway to brighten every mile.