Women's Vionic, Lucia Sandal. A comfortable sandal style with an exotic look. Featuring a unique snake print design with rhinestone accents that will complement your warm-weather look, a manmade upper with smooth lining, thong style for an easy on and off, podiatrist-designed, biomechanical orthotic footbed with deep heel cup for support, EVA midsole absorbs shock, reducing stress on feet, ankles and knees, and a built-in orthotic is shown to be effective in helping to treat heel pain.