The adidas Ultra Boost DNA 4.0 Core Black features a black adidas Primeknit upper with a black midfoot cage and supportive heel counter, complemented by black laces. The Primeknit yarn is primarily made from the sustainable material Primeblue, which is crafted from recycled ocean plastic, ensuring no virgin polyester is used. The black insole showcases the word "BOOST" in a bubbly white font. The outer sole is constructed of black and white rubber, while the white midsole incorporates the Boost’s signature cushioning. This model was released in February 2021, retailing at $180.