Gown
gown
enrobe
Yes, "flowy" is a word used to describe something that is loose and flowing, such as a garment or fabric that drapes or moves gracefully.
kimono!
Loose arab garments
A toga.
Most likely a blouse =)))))))))))
Most likely a blouse =)))))))))))
Habit
It is a Burka
Another word for a loose sleeveless cloak or cape is a "capelet." Additionally, "mantle" can also refer to a similar garment that serves as an outer covering. Both terms evoke the idea of a flowing, often decorative outer layer.
It ispajamas