Cole Haan Women's Primrose Riding Boot (Wide Calf) Size 10.5 Leather Shaft measures approximately 12" from arch Heel measures approximately 0.5 inches" Boot opening measures approximately 16" around Leather Synthetic sole Shaft measures approximately 12" from arch The style name / style number is Primrose Riding Boot / Color: Black/Harvest Brown Material: Leather Upper and Man-Made Outsole Measurements: Shaft measures 12", Circumference measures 16" and 0.5" heel Width: B(M)