Koolaburra Women's Alesta Studs 100% Shearling, Leather Imported Rubber sole Shaft measures approximately 7" from arch Heel measures approximately 1" Platform measures approximately 0.75" Boot opening measures approximately 13" around Slip-on 6 1/2 inch shearling boot Nubuck drawstring Studded leather shaft Proprietary outsole for wet/dry traction