The Tide Aloe Toe Post Sandal features: Leather upper 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) Durable Rubber outsole Received APMA Seal of Acceptance