Run all for yourself. Motivate with the adidas Ultra Boost 21 running shoe. adidas Primeknit + upper delivers lightweight support The shape of the foot can be flexibly changed according to the shape of the foot while running, so you can focus on moving forward without feeling discomfort. The high rebound BOOST cushioning that generates energy to take your next step, and you will feel positively going on another step, one block or another 1 km. Add a new song to your playlist for extra motivation. This item is made from recycled prime blue from Parley Ocean Plastic. 50% of the upper is textile (75% of which uses prime blue thread). No virgin polyester