man for sure, folks acting like its science and not art...smh
basically, buy heavier weight denim, and those threads will hold up better/longer...lighter fabric lends to stretch easier...
always cold water wash, and always flat (lay out) dry
As far as wear/wash... many say contrary to popular belief when raw denim was all the rage(neverwash), that you could/should wash as much as you want and not expect deifferent wear-through results... I believe even the denim gods over at self-edge made comment in an interview that care for jeans wasnt a big deal ("just wash them, they're jeans" iirc)
I personally feel like cold water, only, and obv never ever ever a dryer...and only doing so after really really wearing beating and giving your jeans hell before wash one.... once you mesh and blend that stiff indigo element with that soft cotton, you dont nearly give your jeans the opportunity to contrast and wear through that most would prefer.
in short, youre stretch factor on 100% cotton jeans has way more to do with cut, care and construction, than it does anything else.
and to whomever said "knee stretch is inevitable" needs to buy an actual nice pair of jeans from SE...there are many brands they offer that are worthy, pjb, roy, fh, sugarcane, samurai, skulls, etc..... APC are a nice beginner project but would never compare to the fabric and makeup of something bought from a reputable japanese american repro (or inspired) brand