This modern classic is the perfect blend for ultimate versatility. Finely stitched in must-have hues, Savannah will take you from work to weekend in effortless style. Black size 7 EUC - Upper: Leather or Printed Cow Hair. - Footbed: Removable Man-made Covered EVA. - Outsole: Durable Rubber. - Vio-Motion Technology is designed to hug your arches and support your feet in comfort. - Vionic footwear's built-in orthotic is shown to be effective in helping to treat heel pain (plantar fasciitis).