The Ultraboost 5X leans on full Boost cushioning for energy return, guided by a Torsion System that keeps the stride smooth between heel and forefoot. A Primeknit+ upper wraps the foot for adaptive support, while a Continental Rubber outsole holds traction in wet or dry conditions.
Q: What does the Torsion System do on the Ultraboost 5X? It enhances stability between the heel and forefoot for a smoother stride.
