Chooka Women's Top Solid Yellow 100% Natural rubber Imported Rubber sole Shaft measures approximately 13" from arch Heel measures approximately 1" Platform measures approximately 0.5" Boot opening measures approximately 15" around Tall boots with classic colors designed with waterproof rubber detailed with a leather buckled strap. Moisture absorbing fabric lining with removable insole. Boots tend to run big to allow for thick chooka liners on cold days. We recommend ordering a whole size down