Buttero Vinci X Sneakers pair a soft, unstructured calf-leather upper with a Vibram rubber sole, offering immediate comfort and durable traction for everyday wear. Key attributes: White | Bianco | Leather | Vibram rubber sole | Leather inner upper | Rubber outer sole | Unstructured (deconstructed) upper | Raw-cut leather finish | Composition & care: Calf leather upper | Leather inner upper | Rubber outer sole (Vibram)