Crocs Women's RainFloe Graphic Rain Boot 100% Tpu Imported Synthetic sole Shaft measures approximately 6.75" from arch Heel measures approximately 1.5" Platform measures approximately 1. inches Boot opening measures approximately 13.75" around Dual comfort foam footbed on top of a croslite foam midsole Fit suggestion for 1/2 size recommended to size up Slip-on and light weight Sealed seams