I can certainly assure you will have adequate freedom of movement. The garments will not be too restrictive.
If you wish to keep your hair long, it can be brought into a pony-tail and wrapped with a decorative "sleeve" designed to prevent excessive hair contamination, both to the wine, and in getting grape juice in your hair.
This of couse, depends on how energetically you "dance" as you move to the music, et cetera.
Another choice would be to let the beauticians bring your hair tighter to your head in various stylish ways, so that you will not be a danger to your companions.
We are nothing if not accommodating!!
You always make things sound so much nicer than I do. I just used "hair net". LOL!
Okay...now I'm gone for now. ;-)