[Lucid:]

Duster Coat in Threads looks nice, but has some straps in front so I'm not sure if that messes with the look you're going for.

Buckled Trench, also in Threads, is a more gothic styled trenchcoat, and as the name implies has the buckles.

I can't remember if there's any decent trench coats in event/donation items...I don't wear a ton of coat items. >.< I think most of the coats we have right now are more like suit coats or tailcoats or things of that nature.