Quote Originally Posted by Jock Scot View Post
A plain light weight Greenish/brownish tweed argyll will do you well for non formal events, which do end up being the majority of the events. Which will do everything from mowing the lawn to any lounge/business suit event, day or evening you can think of.
I agree with this. Tweed fits most kilt looks a little easier, and has that ease of casual wear that doesn't come as easily to other wool jackets.

A light weight should work for most seasons where you'd wear a kilt, as well. Except maybe when it's too warm for any jacket.