Zappos.com is proud to offer the Circa Joan & David - Xavia (Black Patent) - Footwear: Slip on this Circa Joan David flat for an instant style update! ; Leather upper. ; Easy slip-on construction. ; Man-made lining. ; Lightly padded footbed. ; Rubber sole. ; Imported. Measurements: ; Heel Height: 1 4 in ; Weight: 6 oz ; Product measurements were taken using size 8, width M. Please note that measurements may vary by size.