Cole Haan Women's Chelsea OT Sling Dress Pump 100% Patent Leather Imported Synthetic sole Heel measures approximately 4.25" Platform measures approximately 0.75" Fully padded leather sock lining and memory foam Injected insole and tpu forefoot for extra stability and flexibility Conealed with nike air technology for ultimate comfort 90 millimeter heel with 12 millimeter platform, compares to 78 millimeter heel