Chinese Laundry Nice Life Women US 6.5 Black Over The Knee Boot Synthetic Synthetic sole Shaft measures approximately 20" from arch Boot opening measures approximately 16" around The style name is Nice Life. The style number is NICELIFE-BLK. Brand Color: Smooth Black (Main Color: Black) Material: Synthetic Measurements: Shaft measures 20", Circumference measures 16" and 0.5" heel Width: B(M)