Clarks Un Rosa Mid Women's Heeled Bootie, Black Leather, US Size 6.5 M. The UN ROSA MID black leather ankle boot by Clarks. Strike the perfect balance between smart and casual with these black leather boots from the Clarks Unstructured collection. The 7cm(approximately 2.5 inches) heel provides wearable height, while a rubber sole helps with grip and padded leather linings and sock ensure maximum comfort throughout the day.