Or just a mildly ridiculous sailor suit?
He is the third from the right.
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Sign up to join this communityPhoto taken (most likely) at some point in 1949 (Khruschev moved from Kiev to Moscow in 1949, and Molotov was demoted in 1949).
The main idea was to wear a suit which was close enough to a military attire that Stalin was sporting. So it might look a bit ridiculous to us now but...
So this kind of clothing was very popular at the time. Here is more pics of the same sort