Everyone wants to be one. Now you can be in the Madeline Mermaid Thong Sandal. This slingback is the most spiritual sandal of the season with its eye-catching crystal embellishments. It's like a simple thong, only way better. Now go out there and flaunt your Mermaid self. Flat sandal Buckle closure. Sizes: 9.5 M; Color: Copper Synthetic. Gender: Female. Age Group: Adult.