These jeans are 52% Dyneema which as everyone knows is stronger than steel. It is envisaged that you will never wear them out so that their high price of US$275 may well be justified: https://gearjunkie.com/outlier-dyneem-denim-jeans-review & https://shop.outlier.nyc/shop/retail/end-of-worlds.html
You could pair them with this top which is claimed will last a century
http://www.theultralighthiker.com/never-buy-clothes-again/
or these other bits of gear which are also supposed to never wear out – or your money back:
http://www.theultralighthiker.com/warranties-on-outdoor-gear/
And you could carry them all in this ‘bulletproof’ backpack: http://www.theultralighthiker.com/woven-dyneema/