Actually the tubes I posted are designed to be flexible, but you're right they would restrict movement a little more than I would like. The big problem with those is actually finding the proper size diameter and even if I did find one big enough to fit my arm through properly I would need a way to taper the ends so it wouldn't be so awkward, thus the reason I was hoping for a fabric that could provide the same
texture. Oh, and I don't have a local fabric store... part of the reason I was hoping to get some advise first. I am also unsure if I will be able to sew anything to the "inner sleeve" because the inner sleeve is going to be made of metal and my intention for this fabric was to be something that would form to my arm so I could remove the lower arm piece separately from the upper arm piece, and the rest of the suit.
hmm... I wonder if taking a heat gun to that piping material I posted would cause it to shrink like shrink wrap..? Still would be a little too restricting though and would probably have issues fitting under the sleeves.
I would love to post a picture of the cosplay I have in mind but then it wouldn't be a super special awesome secret cosplay.
![Wink ;)](https://www.kumoricon.org/forums/Smileys/default/wink.gif)
That and it probably won't be ready until next year due to lack of money and no job. >.<