Altra's signature FootShape™ comfort gives your feet more space to sit naturally and is designed to address biological differences in men's and women's feet.
Their Balanced Cushioning™ platform positions your heel and forefoot at an equal distance from the ground, encouraging better alignment, better form, and a low impact landing.
Max midsole foam gives you all the light and luxurious performance with a little extra bounce and added durability.
These grid-like grooves in the midsole are designed to provide flexibility and movement.
The GuideRail™ acts like a supportive highway guide rail that encourages natural foot placement by provides guidance, but only when it’s needed.
Their innovative arch support feature offers a customized and secure fit while encouraging a natural foot placement in each step.