Using the same midsole and outsole as Ultraboost 20, the?adidas Ultra Boost PB offers a plush, yet bouncy ride with an updated upper is built for speed.
- More breathable
Compared to the original Ultra Boost, the Ultra Boost PB still contains 20%?more Boost resulting in a softer and springier ride.?To provide a smooth transition and add propulsion, the plastic torsion spring remains encapsulated within the midsole.?
Thanks to the addition of a Celermesh upper, you can expect a thinner,? lighter, and more breathable lockdown perfect for those faster-paced runs. Finally, the cage that surrounds your midfoot was also softened to amplify comfort.