I used to wear blue jeans exclusively when not at work or formal occasions, and then one day it occurred to me that they just aren't as comfortable as other pants. So now I wear sort of docker-ish pants that are a bit like cargo pants with extra pockets and stuff. Baggier and more comfortable.
At this rate, I'll be wearing sweatpants exclusively in a few years.
My favorite pants are my Scout leader uniform pants. Dressy cargo pants with zip off legs for when it gets hot. My wife hates them, so I only wear them to Scouts and camping. They are so comfortable and the big pockets are on the sides, so when you sit down, your phone and reading glasses case don't jamb into you.