Aoshi during his fight with Kenshin in TV episode 11. For some reason (presumably something along the lines of, "it looks cool") the creators of Rurouni Kenshin seem to like giving characters big coats. Here we see Aoshi in his, Hiko Seijuro has his "stylish mantle", and Amakusa Shougo from the Christian arc also gets a similar garment. I must admit, it is a pretty cool coat. :-)

Darn it, I could have sworn I had a screencap for this cel, but now I can't find it. Have to make another....