ADIDAS ULTRABOOST 21 MEN'S RUNNING SHOE

How do you improve a running shoe that is pure energy return? By getting even more energy return. The adidas Ultraboost 21 lets you log more miles and break your records in comfort. In addition to Boost technology in the midsole, it features the Linear Energy Push system that adds stability and momentum to your run. This product is made with Primeblue, a high-performance recycled fabric created with Parley Ocean Plastic. 50% of the upper is fabric, 75% of the fabric is Primeblue thread. No virgin polyester