...is one of those tropes of certain kinds of science fiction that come out of cyberpunk.
Except it might be with us soon. It's a coating, based off of squid DNA (biotech, again), that you dip natural fiber in. It can be programmed to self-heal when put in water at a particular temperature. You know, like, a washing machine.
Of course, the fashion industry won't embrace it, because, well, our current society is based off of making people buy things they don't actually need.
But in the future, who knows?