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.