MICHAEL Michael Kors Woman's Mavis Open Toe Leather Nickel Heel Sandal Leather Heel measures approximately 3.5 inches" Metallic Leather upper. Back zip sandal. Leather insole and leather outsole. The style name / style number is Mavis Open Toe / 40F4MVMA3S Approx. measurements: 3.5" heel. Width: B(M). Imported.