Minna Dune Leather Heeled SandalDetails Strappy mid heel sandal in dune nappa leather with statement metallic ring hardware. Features an open toe, an adjustable sling back strap with a buckle closure, and a padded footbed. 2. 25 inch heel. Heel Height 2. 25 in. Materials Upper: 100% Lamb Leather Outsole: 100% Bovine Leather Product Care Spot clean. Refurbish seasonally or as needed by a professional. For best results, avoid consistent exposure to water.