RF ROOM OF FASHION Women's Vegan Round Toe Light Weight Stacked Heel Platform Side Zipper Ankle Booties Boots Synthetic sole Shaft measures approximately 4.5 from arch Platform measures approximately 1 Designed in USA 100% Vegan TPR rubber out-sole. Finished with a cushioned insole Measurement - Heel Height: 2.5" with 1" front platform; Shaft Height (not including heel): 4.5"; Opening Circumference: 10" Product measurements were taken using size 6, width M. Please note that measurements may vary by size.