"Oversized fit" refers to clothing or items that are intentionally designed to be larger or roomier than usual. It provides a looser and relaxed look, allowing more space and comfort when worn. Full definition
That jacket is too good with a bit of oversized fit! (astylishfit.com)
I'm a sucker for anything striped, and the slightly oversized fit completely sold me. (oliverstwistblog.com)
I think if I had to pick a favorite between the two, I'd pick this outfit just because I prefer the more oversized fit of my bright red sweater. (cottoncashmerecathair.com)