also: カーデガン
noun
cardigan
A knitted sweater that opens at the front, typically with buttons or a zipper. Used as a common clothing noun.
春先はカーディガンが一枚あると便利だ。
In early spring, it's handy to have a cardigan.
彼女は薄手のカーディガンを羽織っていた。
She was wearing a light cardigan.