EUC! The Farra brings delicate metallic detailing to a supportive, stable silhouette. With three straps for customization, Farra delivers practical features with a side of style.Product descriptionUppers: Natural Cork.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.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).