Description
Your first impression was right, [%name]: This cloth is formed from a base structure of silk, with strands of composite cloth woven into it. It's a clever way of making a fabric with the aesthetic qualities of silk, but with greater resistance to tearing, especially when damp. If you can provide me the materials for it, I can teach you how to recreate it.
Upon completion
Ah, there you are again. I was wondering if maybe you'd given up on learning the secrets of Shaleweave, but obviously I had nothing to worry about. You've proved to be a rather resourceful and persistent young tailor.