New without box, never worn Flexible polyurethane midsole absorbs shock, reducing stress on feet, ankles, and knees Designed to hug your arches and support you in every step ground up. Medium heel cup helps in supporting hindfoot which ultimately aids in proper alignment of posture. Arch of these thong sandals highly supports high arches. Accepted by the American Podiatric Medical Association (APMA), so you can be confident you have the best sandals for foot health.