Sergio Rossi SI Rossi Mule is a black leather heeled mule with logoed leather insole and outsole, designed for polished day-to-evening dressing. Key attributes: Black | Nero | Leather | Logoed leather outsole | Logoed leather insole | Heeled mule silhouette | Dimensions & fit: Size 40 has imperfections on the sole | Composition & care: Leather (upper) | Leather (insole) | Leather (outsole) | Wipe with a dry cloth; avoid exposure to heat and humidity.