5 years in adidas have taken everything they've learned from the Ultraboost line and tubocharged it to deliver the Ultraboost 21. The harmonious blend of cushioning, responsiveness and lightweight comfort comes thanks to ingenuities like the new Linear Energy Push (LEP) torsion system and the new Boost outsole design.
adidas merge sustainability and performance on the Ultraboost 21 with the application of Primeblue material in the Primeknit+ upper. Primeblue uses 50% Parley ocean plastic to help reduce the products impact on our waterways. Primeknit+ wraps runners feet in a superior fit for extra support and stability. Lace up and take the next step in the evolution of Boost with the Ultraboost 21.