Pleaser SEDUCE-2000 Women Full Inner Side Zipper Knee-High Boot manmade Shaft measures approximately 16.5" from arch Heel measures approximately 5 inches" Patent Manmade sole Shaft measures approximately 16-1/2" from arch Heel measures approximately 4" Boot opening measures approximately 12" around; Style Name: SEDUCE-2000; HEEL and PLATFORM: 5" Heel; Size Range: 2011-6-16.