Vionic Karley Toe-Post SandalElegant textured straps take center stage, while two point adjustability means you can customize your fit. Leather and synthetic 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.