And here we go again. BCAC, you've a tendency toward curt responses which drives me nuts.

I didn't say the sett wasn't a "District" sett.
I didn't say the OP couldn't wear it.

The OP clearly stated, "I don't know quite where it fits in"
That is an inquisitive statement which invites conversation / education.
I've actually deferred to expert input from others.

But, please, peer surface deep & participate with an ice pick.

Ryan