Then you can wear longer socks, and your feet won't get hurt. Some people's ankles are not suitable for these shoes. If you want to clean them, soak them in some color bleach (be careful not to use ordinary bleach, which will fade your shoes, but color bleach will not), otherwise the blood will be difficult to wash off. In the future, if there is no particularly stubborn stain, just soak them in detergent and clean them.