Tony Lama Vaquero Collection Boot (Toddler/Little Kid/Big Kid) 100% Leather Synthetic sole Shaft measures approximately 9.25" from arch Heel measures approximately 1.5" Platform measures approximately 0.25" Boot opening measures approximately 11.25" around Shaft measures approximately 9.25" from arch. It has manmade sole. Its platform measures approximately 0.25". Layered insole for added comfort.