The Highest Heel Women's Blanka-11 - Bsof Knee High Boot 100% Synthetic Synthetic sole Shaft measures approximately 19" from arch Heel measures approximately 3.5" Boot opening measures approximately 14.75" around Heel Height: 3" Shaft Height: 19" (Size 7.5) Circumference: 15" (Size 7.5) Origin: Imported Fit: True to Size