The Rundown

Learn to Fly. Every day.

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.

TECH SPECS

The Details

Weight - 8.60 ^oz

Heel-To-Toe Drop - 5.00 ^mm

Volume - 642.00 ^cm 3

Spring Measurement - 39x25 ^mm

Stability 

The Mach 4 features a symmetrical bed of cushions without additional prescriptive technologies. Designed to provide the support you want and nothing you don't.

Cushion 

The Mach 4 features a low-profile cushion bed that keeps your foot closer to the ground and utilizes a firmer material designed to provide an efficient push-off.