From Gianni Bini, the Sergey Suede Stiletto Booties feature: Suede upper Pointed toe construction Inside zipper closure Tricot fabric lining 4mm padded memory foam sock Airfit comfort technology in the heel providing extra comfort, durability and breathability Synthetic outsole Approx. 6.4" shaft height Approx. 10.9" shaft circumference Approx. 3.93" heel height Imported.