You would need spiders to spin them very intricately. The material is good but the weaving process is crazy complicated.
I knew someone that collected cobwebs. He had a ball of them as big as a softball. It was strange, but harmless.
Tinfoil is better. They can't read your thoughts through the tinfoil.
I made a vest, it's bulletproof--try it with your helmet
I suggest using lots of plastic wrap too.