ushanka
A Russian fur hat with ear flaps that can be tied up to the crown of the cap, or tied at the chin to protect the ears, jaw and lower chin from the cold.
Examples
Untied
- Danbooru post #6911540: fur ushanka
- Danbooru post #7364216: fur-trimmed ushanka
- Danbooru post #7929055: fabric (non-fur) ushanka