Peter Kaiser Women&#39;s Ganda Zip Bootie,Black Stretch,6.5 M DE / 9 B(M) US,Peter Kaiser" /> 100% Fabric Rubber sole Shaft measures approximately 6 1/2" from arch Heel measures approximately 1 1/2" Boot opening measures approximately 9 1/2" around Please Note: When you receive your shoes, the US size ordered will be printed on the box. The size printed on the shoe itself is its equivalent in German sizing, which is 2.5 sizes smaller.