beanie
From Longman Dictionary of Contemporary EnglishRelated topics: Clothesbeaniebea‧nie /ˈbiːni/ noun [countable] American EnglishDCC a small round hat that fits close to your headExamples from the Corpusbeanie• I remember thinking how funny he looked because he wore a sort of little beanie hat.Origin beanie (1900-2000) bean “head” ((20-21 centuries))