Cole Haan Women's Tiffany Bootie 100% Leather and fabric Imported Synthetic sole Shaft measures approximately 6" from arch Heel measures approximately 4.25" Platform measures approximately 0.5" Boot opening measures approximately 9.75" around Strap and collar stud detail Fully padded leather sock lining Tetra polyurethane injected forepart with concealed nike air technology for ultimate comfort 100mmstacked heel with hidden platform; compares to 80mm heel.