adidas recently unveiled one of their boldest iterations of the adidas Ultra Boost 2021 yet. Done in a Royal Blue, Yellow and White color scheme, details on this adidas Ultra Boost 2021 include a Primeblue upper, which 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 predominantly Royal Blue upper is contrasted by the Yellow hits noted throughout the base of the shoe. Other details on the shoe...