I saw a lady earlier in an outfit a bit similar to this:
https://www.prettylittlething.com/white-chiffon-plisse-oversized-wide-leg-trousers.html
Her outfit was in navy and had long sleeves though. It was quite loose and flowy, I can’t remember if it was a jumpsuit or blouse/trousers co-ord. Just seemed like a good outfit to chuck on in this weather!