Interesting concept - nothing new to add except while explaining the properties of this magic/miracle fabric (akin to silk but stronger than Kevlar) how do you get around the law of physics ?
For every action - equal n opposite reaction. While bullets may not penetrate a modern vest, if it takes more than 3" to stop it - the internal damage is fatal. No hole in the body but your just as dead.
You might want to read up on the laminate armor of the Spartans which was very impact resistant. It's not like mankind hasn't been working on this concept for awhile.
The Dune series took shield tech to new heights which eliminated projectile weapons in their history. As Im sure your finding out, an original idea is hard to come by...
Get creative and have some fun !