Geena Elastic Side Chunky Heel Ankle Boot Bootie Synthetic Synthetic sole Shaft measures approximately 9 from arch Platform measures approximately 1.50" Synthetic upper, synthetic sole Measurements approx: Heel 4.25" w/ 1.5" platform, 8.5" shaft, 10.5" opening circumference. Non-skid sole and cushioned footbed. Fit: Runs true to size.