Man made materials. Wrapped block heel. Cushioned insole. Felted rubber sole has nonskid markings. Open toe Crisscross straps FABRIC: synthetic CONDITION: very good - some light wear and hold finish loss in small places BUNDLE DISCOUNTS: 30% off plus discounted shipping on bundles of 3 or more. SHIPPING: We ship daily 9 am - 3 pm, Monday - Friday. We work hard to ship out orders quickly, but we cannot provide estimated delivery dates and times on behalf of the USPS. Thank you for shopping with us.