From Gianni Bini, the Sergey Glossy Leather Stiletto Booties feature: Glossy leather 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.