A nice collection of hats of different Russian nationalities was submitted by Bustty.
The one above is a childish hat of Turkmen people.
A hat of Uzbeks.
A hat of Koreans that lived on Russian territories.
A Shaman hat of Tuva people.
Russian “Kokoshnik”. From Pskov region.
Ukrainian wedding thingie.
A bride hat of Mordva people. Penza region.
Russian traditional hat “Grechnevik”.
And another amateur shot of Russian “Kokoshnik” hat. Still widely used on some celebrations.