Levi's clothing to mainline a cotton-hemp blend because of advances in fiber processing, expects to have 100% cottonized-hemp garments in five years. I really hope that knowledge isn't hoarded because hemp's implications for land use, carbon, sequestration and other environmental inputs and outputs make it quite important.
https://www.businessinsider.com/levis-investing-in-hemp-as-a-cotton-alternative-2019-5?