Leather Upper. Microfiber Wrapped EVA Footbed. Rubber Outsole. YOUR NEW FAVORITE SANDALS: Adventures abound in this versatile flat sandal, packed with subtle fit-enhancing details including hidden gore, an adjustable ankle strap, an EVA midsole and a rubber outsole. EVERYDAY SUPPORT: A podiatrist-designed footbed built into every pair of Vionic sandals, slippers, active shoes and flats promotes stability from the ground up. VIONIC SHOES: Vionic brings together style and science, combining innovative biomechanics with the most coveted trends. Description Adventures abound in this versatile flat sandal, packed with subtle fit-enhancing details including hidden gore, an adjustable ankle strap, an EVA midsole and a rubber outsole.