Alright, I see. I was thinking about using that supermodel for the skirt anyway so that method is welcome. I've played a bit more with the robe and found something I like better:
I think the short sleeves work better with the Jedi warrior concept.
The idea is that the "naked" appearance will be default. So both as companion and when she's at the Grove. I'll add the cloaked version as an alternative redeemed appearance.