down jacket
US /ˈdaʊn ˌdʒæk.ɪt/
UK /ˈdaʊn ˌdʒæk.ɪt/
1.
a jacket that is padded with soft feathers, typically from ducks or geese, to provide warmth
:
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I need a warm down jacket for the winter.
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Her new down jacket is very light and comfortable.