Tricker's Roberto Derby Shoe pairs a refined Derby silhouette with a marble-effect pretreated calf leather upper for polished everyday and formal wear. The Ultra Flex leather sole provides flexible support for long hours on the move. Key attributes: Black | Calf leather | Ultra Flex leather sole (flexible) | Lace-up closure | Derby construction | Marble-effect pretreated calf leather finish | Composition & care: 100% leather