adidas Ultra Boost 2021 Halo Silver

The adidas Ultra Boost 2021 “Halo Silver” is composed of a new yarn dubbed, Primeblue, it’s essentially a high-performance recycled material made in part with Parley Ocean Plastic. Overall, 50% of the upper consists of textile, while 75% of the textile is Primeblue yarn. Finally, the monochromatic style is detailed with a semi-translucent lace age, matching grey Boost midsole, and black rubber outsole with Solar Yellow accents.