Get excited for every run in the Mach 4. Inspired by the propulsive speed of the Rocket X and Carbon X, the Mach 4 employs a harmonious blend of foams – merging an incredibly soft, lightweight foam on top with rubberized foam directly beneath.
Anatomical Achilles construction
Early stage Meta-Rocker
Rubberized EVA outsole
Molded EVA sockliner