This 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, 75% of the textile is Primeblue yarn. Testing after testing. Meet us in the hot pursuit of the pinnacle harmonization of weight, cushioning, and responsiveness. Ultraboost 21. Say hello to incredible energy return. Additional details includes Green Three Stripes, Grey toes atop a White Boost midsole and semi-translucent Continental rubber outsole.