Pleaser Women's Seduce-3010 Thigh High Boot 100% Manmade Synthetic sole Shaft measures approximately 28" from arch Heel measures approximately 4.25" Boot opening measures approximately 19.5" around Synthetic Manmade sole Shaft measures approximately 27" from arch Heel measures approximately 4-1/4" Boot opening measures approximately 20" around; Style Name: SEDUCE-3010; HEEL and PLATFORM: 5" Heel; Size Range: 2011-6-16.