BALANCED CUSHIONING

Places your heel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your run.

FOOTSHAPE™ TOE BOX

Allows your toes to relax and spread out naturally for more comfort and stability.

INNERFLEX™

Grid-like grooves in the midsole allow your foot to flex while being lighter, for more speed and better performance.

FOOTPOD™ TECHNOLOGY

An outsole technology that actually maps the bones and tendons of your foot to help it bend and move naturally.

ALTRA EGO™

Dual-Nature midsole compound with a responsive, yet soft feel for increased energy return.