Its hard to imagine clothes wearing out and us not having access to a swath of other choices to buy at stores all around you. If we see a total societal collapse those resources will be few and far between. You will have to learn how to make the most of everything you have. The idea of throwing away any cloth will seem nearly blasphemous. Its very interesting when you think how much we have changed in just over 50 years.
This article is an interesting look at how you can make the most of what you have in your inventory today. The author has profiled jeans and has some great ideas on what you can do with this tough cloth even if it doesn’t fit on your body anymore. The more you can do with what’s around your the better you will fair in a survival scenario.