BCBGeneration Women's Brittney Boot 100% Synthetic Rubber sole Shaft measures approximately 17" from arch Heel measures approximately 2.5" Boot opening measures approximately 15" around Heel Height: 2" Shaft Height: 16 1/2" (Size 8) Circumference: 16 1/2" (Size 8) Fit: True to Size Upper: Rubber/Dolomite Puffer