They may even have been covered with silk because silk was used a lot at that time.

The silk ribbon would stop the lightning from passing through his body.

He tied a metal key and a strip of silk to the kite line.

Visit a different store for a silk or cotton shirt.

Maybe we can find something in cotton or silk

So I think in the future, materials will evolve, and they will look and feel like fabrics we know today, like cotton or silk.