Jessica Simpson Callie Moto Boot (Little Kid/Big Kid) 100% Manmade Importado Synthetic sole Shaft measures approximately 7.5" from arch Heel measures approximately 1" Boot opening measures approximately 12" around Synthetic Fabric Upper Studded Belts & Buckle Accent Around Shaft Cushioned Footbed Gripping Rubber Outsole Zipper On The Side For Easy On/Off