Details: Proven to effectively alleviate heel pain.* Uppers: Leather or Suede. Lightweight, flexible medium-density EVA midsole absorbs shock, reducing stress on feet, ankles and knees. 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). Outsole: Durable Rubber. Received APMA Seal of Acceptance. Vionic Women’s Tide Aloe Toe Post