American Podiatric Medical Association (APMA) Approved. Awarded the APMA Seal of Acceptance for promoting good foot health and being of exceptional quality. Soles breathe a sigh of relief each time you slip on the OOFOS® OOlala sandal. Designed to soothe and reinvigorate feet after a tough workout. Helps reduce stress on sore foot, knees, and lower back. Moisture and odor resistant materials. Shower and beach-ready build. Man-made upper materials. Two-toned upper boasts a bold pop of color and shimmery allure. Soft, contouring toe post reduces the likelihood of chafing. OOfoam footbed cushioning technology absorbs impact, cradles the arch, and promotes natural foot movement.