The essential flip flop—seriously upgraded—with premium straps and our best-selling contoured footbed for all-day, walkable wear. Leather upper with microfiber-covered footbed. Lightweight, flexible EVA midsole absorbs shock, reducing stress on feet, ankles, and knees. Durable rubber outsole with a patterned tread provides traction on a variety of surfaces. 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). Excellent preowned condition