Style & Co Masen Wide Calf Women US 8 Tan Knee High Boot Synthetic Synthetic sole Shaft measures approximately 15.25" from arch Boot opening measures approximately 16.5" around The style name is Masen Wide Calf. The style number is MASEN-TAN/WC. Brand Color: Tan (Main Color: Beige) Material: Synthetic Measurements: Shaft measures 15.25", Circumference measures 16.5" and 1.5" heel Width: B(M)