I'm sure many of us have heard the common knowledge about these things, but sometimes things are nuanced.
Here's a chance to talk about how your various esoteric blends perform (sport coats or suits whatever - presumably more sportcoats), and/or challenge the common knowledge if your experience differs.
(obviously the weight of the material is going to have a big impact, don't let that hinder the discussion)
I have two wool/linen blend sportcoats, fully lined, but open weave. The linen and weave do their job - the coats stay nice and cool, but they do wrinkly as you'd expect with linen. It has nice body though.
I have a wool/silk jacket that does fine in warm weather despite the silk (fully lined, half canvas), though it is definitely a light weight material. Doesn't wrinkle at all, hangs very nicely.
I have completely unlined/unstructured flannel (unusual combination, perhaps) jacked that is on the warm side. Fairly beefy flannel, shapes nicely. Flannal attracts lint though, which is annoying.
I have an open weave cashmere 1/4 lined donegal unstructured jacket. Is it possible for something to be neither worsted nor flannel? Cause I think that applies here. You'd think it would be warm, being cashmere, but the open weave makes it very breathable, so it's no problem. Does not wrinkle at all.
I have another jacket that's cotton/linen (or maybe I threw it away, idunno), and it's actually fairly warm given the heavy fabric, and wrinkles/bunches a decent amount. Pre SF.
My suits are all 100% wool. I do have a pair of pants that's 5% cashmere, 150's, and they basically are softer but also hang very smoothly and nicely.
Any interesting / counterintuitive observations from anyone else?