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.

• Soft, lightweight foam on top, rubberized foam beneath
• Engineered Mesh
• Anatomical Achilles Construction
• PROFLY™ Construction
• Early Stage Meta-Rocker
• Rubberized EVA Outsole
• Molded EVA Sockliner