While I do agree that tight realism is a must(that's the mod's focus, right?), if no sources of that time exist, it would be better for the team to feel free to extend some artistic freedom than to squabble over something so minor as cloaks.

If you feel that cloaks woud add a lot to the unit, or even little, add them by all means. If you can't make it look historical, make it look good. I have every trust on you that you are prudent enough to make it even roughly accurate and use that freedom on moderation, i.e no horns on german helmets.

my2zots