FitFlop Women's Loaff Slouchy Knee Suede Slouch Boot 100% Leather Imported Rubber sole Shaft measures approximately 10" from arch Heel measures approximately 1.75" Platform measures approximately 1.00" Boot opening measures approximately 14" around Shaft measures approximately 10" from arch Heel measures approximately 1.75" Platform measures approximately 1.00" Boot opening measures approximately 14" around Click here for the women's FitFlop sizing guide.