Slang for Wool Headwear Topped With a Pom Pom

This page is the CodyCross answer for the clue below from Inventions, Group 52, Puzzle 4.

Question is: Slang for Wool Headwear Topped With a Pom Pom

and the answer is: BOBBLEHAT

Word Meaning:

BOBBLE HAT — An insulating hat with one or more decorative pieces of spherical fluff at the peak.

Definitions from Wiktionary.