The Gel Heel Cup provides cushioning for heel comfort. It features a gel impact zone that absorbs shock and provides cushioning to help soothe heels for all day comfort. Its flexible edges fit against the inside back of any shoe or boot and stays securely in place during wear. The Gel Heel Cup was designed to help bring targeted relief to the heel, even during high impact activities. Fits all shoes and boots. Gel impact zone absorbs shock. Gel cushioning for heel comfort.