Size 9 Color Dusk Lavender Upper: Leather. Footbed: Microfiber wrapped EVA. Outsole: Durable rubber. Orthaheel 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). Step into comfort with these stylish slide sandals. Perfect for casual outings, these sandals offer both elegance and ease. Preowned in great shape, see pictures for details