Vionic shoes and sandals are known for their orthopedic construction, from the deep seated heel cushion to the insole contour footbed, supporting arches and healing sore feet. Upper sandal is suede leather and heel and sole are man-made construction. Heel is 2 3/4 inches and sandal has zipper access on the inside of shoe. Extremely comfortable and high quality. These sandals are lightly worn, but show no signs of wear.