Sorel Women's Tivoli High Boot 100% Fabric Rubber sole Shaft measures approximately 11" from arch Heel measures approximately 1 1/2" Platform measures approximately 3/4" Boot opening measures approximately 12 1/2" around Waterproof shell and fabric upper for stylish protection Great traction and waterproof protection from the molded rubber shell and outsole Removable EVA footbed offers cushioning Thinsulate and full fleece lining offer superior insulation