Features:

• FOOTSHAPE™ COMFORT. 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.
• BALANCED CUSHIONING™. Altra's Balanced Cushioning™ platform positions your heel and forefoot at an equal distance from the ground, encouraging better alignment and better form.
• ALTRA EGO™ MAX.  Altra EGO™ Max midsole foam gives you all the light and luxurious performance with a little extra bounce and added durability.
• GUIDERAIL™.  The GuideRail™ acts like a supportive highway guide rail that encourages natural foot placement by providing guidance, but only when it’s needed.
• INNERFLEX™ These grid-like grooves in the midsole are designed to provide flexibility and movement.
• INNOVARCH™.  Altra's innovative arch support feature offers a customized and secure fit while encouraging a natural foot placement in each step.
• APMA CERTIFIED This product received the American Podiatric Medical Association (APMA) Seal of Acceptance, awarded to products found by the Association to promote good foot health.

Specs:

• Weight: 8.6 oz / 243.8g
• Midsole: Altra EGO™ MAX
• Outsole: FootPod™ 
• Cushion: Max 
• Stack Height: 30 mm 
• Drop: 0 mm 
• Upper: Engineered Mesh