also: ルームウェアー
noun
loungewear; comfortable indoor clothing
Wasei-eigo from 'roomwear'; refers to casual, comfortable clothes worn at home, similar to 部屋着.
wasei-eigo (Japanese-coined English), from roomwear
See also: 部屋着
休日は一日中ルームウェアで過ごす。
On my days off, I spend the whole day in loungewear.
新しいルームウェアを買った。
I bought new loungewear.