RF ROOM OF FASHION Women's Soft Stretchy Wrapped Chunky Heel Slip On Side Zipper Sock Bootie Ankle Boots Synthetic sole Shaft measures approximately 5 from arch Designed in USA 100% Vegan TPR rubber out-sole. Finished with a cushioned insole Measurement - Heel Height: 3"; Shaft Height (not including heel): 5"; Opening Circumference: 8.5" Product measurements were taken using size 6, width M. Please note that measurements may vary by size.