Tuned and primed for training sessions, the Mach X boasts high-energy cushioning from its PEBA foam—34% more resilient than the Carbon X3 foam—to help you reach race-day readiness. Combining the comfort and support of the Mach series with a propulsive Pebax® plate.

Softer and snappier than ever before, this adaptable shoe is comfortable enough for endurance efforts and responds equally well to pace increases.