From Vionic, the Vynn Suede Dress Ankle Booties feature:  Premium suede upper  Side zip closure Square toe Refined block heel Synthetic lining  Built-in VIO MOTION Technology footbed featuring contoured arch support, with shock-absorbing cushioning, deep heel cup to provide stability, and forefoot flexibility Synthetic outsole  Approx. 4.6" bootie shaft height Approx. 9.5" boot shaft circumference Approx. 3.25" bootie heel height  Imported.