Crocs Women's Rain Floe Tall Boot 100% Rubber Imported Rubber sole Shaft measures approximately 12.5" from arch Heel measures approximately 1" Platform measures approximately 0.25 inches Boot opening measures approximately 15.5" 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