The Parley x adidas Ultra Boost 2021 is made with Primeblue, a high-performance recycled material made in part with Parley Ocean Plastic. 50% of the upper is textile, 92% of the textile is Primeblue yarn. No virgin polyester. White dominates the Primeknit upper of this Ultra Boost 2021 with a light shade of green hitting the side panel cage. A full-length white Boost midsole with translucent blue detailing on the Continental rubber outsole wrap things up.