Bella Vita Women's Boutique II Knee-High Boot 100% Synthetic Synthetic sole Shaft measures approximately 16 1/2" from arch Heel measures approximately 2 1/2" Boot opening measures approximately 14 1/4" around Shaft Height: 15 1/5" (size 7) Circumference: 15" (size 7) Fit: This style tends to run narrow. For an accurate fit we recommend purchasing a 1/2 size larger than you typically purchase. For example, if you normally purchase a size 7, we recommend purchasing a size 7 1/2. Features of this item include: Suede