Altra

Features

1. Natural Ride system is designed to improve natural foot positioning, walking form, toe splay and all-around comfort
2. One-piece insoles improve the feel underfoot
3. A-Bound™ cushioning, made from recycled material, is a bouncy compound that protects your foot from hard surfaces and increases energy return
4. FootPod™ outsoles with full rubber coverage map the bones and tendons of your feet to help them flex and move naturally as the shoes flex
5. Innerflex™ gridlike grooves in the midsoles increase flexibility and decrease weight
6. Zero Drop™ platforms (0mm heel-to-toe drop) place heels and forefeet the same distance from the ground for natural alignment and low-impact landings
7. Wide FootShape™ toe boxes allow toes to splay for natural foot positioning and comfort
8. Granted the APMA Seal of Acceptance, which the American Podiatric Medical Association awards to footwear they find promotes good foot health