Well friends, it arrived yestereve, and I must say I am pleased. I was a little worried with the price difference between the flight jacket US Wings sells and the one from US Cavalry, but it seems to be made quite well. There is no "Made In . . ." tag, so where it's imported from, I don't know, but it is made by a company called Tru-Spec.

I chose the black one for it's versatility with various tartans, and it fits well without covering the beautiful tartan

So thanks to all who recommended the MA-1 flight jacket--it is indeed kilt-compliant [for casual wear].