I am love the look of a light grey blazer with a navy vest. I see a few nice blazers on sale right now, but with the season they are open weaves (like hopsacks).
If I pull the trigger now, can you wear an open weave blazer to a formal event?

https://www.spierandmackay.com/drago-light-gray.html
https://bonobos.com/products/unconst...zer?color=grey


Thanks