The stretch material works with my endomorph somatotype. (read:neanderthal)
https://www.uh.edu/fitness/comm_educators/3_somatotypesNEW.htm
Otherwise I'd have to buy larger super baggy size and wear a belt to stay comfortable. If not the pants ride down. Any kind of exercise quickly pulls the back out of whack which tends to ruin the rest of the week.
https://picclick.com/Popular/chuck-norris-action-jeans are not in production but still available.