Adidas Ultraboost 21

The adidas Ultra Boost 21 features a sharp, streamlined look and eco-friendly, sustainable construction materials. The upper is made of black Primeknit. The eyestays, quarter panel stripes, heel, and tongue tag are made from recycled polyester and ocean plastic, specifically Parley Ocean Plastic. The adidas Ultra Boost 22 has Boost all down the length of the shoe and the black midsole is made using the Linear Energy Push system designed by adidas. adidas collaborated with Continental Tire to make the rubber outsole for this shoe. The adidas Ultra Boost 22 cost $190 retail when it was released in December of 2021.