I know helmets are doable:
Proof:
But actual outfits have loads of issues with the hands / arms.
Chinese Stealth Suit
in motion
https://a.pomf.cat/prxyfl.webm
I had no issues at all porting my Skyrim Red Sonja armor
pic here
But NV and FO3 armors just give me issues. Is it even possible to port them with Outfit studio yet, or could someone make a tutorial on how to do it?