XOXO Marcher Women US 10 Brown Knee High Boot UK 7.5 EU 42 Synthetic Synthetic sole Shaft measures approximately 14" from arch Boot opening measures approximately 14.5" around The style name / style number is Marcher / XO143361-BRN Color: Brown Material: Synthetic Measurements: Shaft measures 14", Circumference measures 14.5" and 2" heel Width: B(M)