Buttero Vinci Sneakers combine a bianchetto cracked-effect calf leather upper with a Vibram Rollingait sole for a natural rolling stride and evolving surface character. Key attributes: White | Bianco | Leather | Vibram sole with Rollingait (natural roll) technology | Megagrip compound for grip and stability | Partial leather lining | Leather insole | Spare pair of laces included | Memory-foam or removable insole (brand-specific variants exist) | Cracked-effect bianchetto leather upper | Raw-cut profiles | Square/leather laces | Three-dimensional logo label on tongue | Dimensions & fit: Regular fit; choose your usual size. | Composition & care: Calfskin leather | Leather lining | Leather insole | Rubber sole | Wipe clean with a damp cloth. Condition leather occasionally with a suitable leather cream or wax. Avoid soaking; store in a cool, dry place.