down jacket; quilted down coat
A warm jacket insulated with down feathers; a common winter garment in Japan.
from English
冬はダウンジャケットがないと寒くて外に出られない。
In winter, I can't go outside without a down jacket because it's too cold.
ダウンジャケット is the full, explicit word for a down jacket, while ダウン is the casual abbreviation used in everyday speech.
Variant with interpunct; less common in everyday writing.
Loanword from English 'down jacket'.