Sergio Rossi Calfskin Over-the-Knee Boot in patent-effect leather combines a streamlined slip-on silhouette with a high shaft for statement evening and dresswear looks. Key attributes: Black | Calf leather | Slip-on design | Branded insole | Round toe | Patent-effect finish | Over-the-knee shaft | Composition & care: 100% calf leather | Inner: Leather | Insole: Leather | Sole: Leather