The perfect all-terrain runner for the eco-conscious Engineered mesh upper Compression molded EVA foam midsole All terrain durabrasion rubber outsole The American Podiatric Medical Association (APMA) Seal of Acceptance recognizes products that have been found beneficial to foot health. To earn the Seal, each product is reviewed by a group of APMA podiatrists to ensure it promotes foot health. HOKA Men's Challenger ATR 7