What's the name of the cylindrical hat worn by the Cossacks?

[Nico]

They are very nice looking.

[alfieb]

Fez.

[Szegedist]

http://en.wikipedia.org/wiki/Papakhi

[alfieb]

Oh, cossacks. I misread. I thought this was about Greeks.

[Nico]

Theres a few different kinds that I've seen. Some are taller and perfectly cylindrical. Others are more square looking.