Uppers: Leather. Footbed: Microfiber wrapped EVA absorbs shock, reducing stress on feet, ankles and knees. Outsole: Durable rubber with a patterned tread provides traction on a variety of surfaces. Hook-and-Loop closure on backstrap for optimal support and adjustability. Heel Height: 0.98". Platform Height: 0.63". Vionic Technology is biomechanically designed to hug your arches and support your feet in comfort. Vionic sandals' built-in orthotic is shown to be effective in helping to treat heel pain (plantar fasciitis).* Wide width. Barely worn. EUC