This tonal iteration of the adidas Ultra Boost 2021 comes dressed in an official color scheme listed as Ash Pearl and Hazy Rose. The adidas Ultra Boost 2021 model is constructed out of a material named Primeblue. Primeblue is 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. The Pink upper is complemented by the semi-translucent lace cage, a Pearl-colored Boost midsole and a rubber outsole with Pink and Solar Yellow accents.