I’m still on the hunt for the perfect pair of work pants for each season, I’m in construction but as an on-site project manager/site super, so I’m a lot pickier about look & fit - here are my general thoughts so far:

Dovetail workwear might fit the bill but I don’t have personal experience with them. Update I literally just ordered a pair of their overalls to try out, will report back lol.

Patagonia’s hemp line is great, but sizing is tough to nail down - the hemp is durable but not scratchy, and moves nicely, like a much better version of denim. The hemp ranch jacket is awesome for all season layering, I got one two months ago and have worn it every day and have gotten more compliments on it than any other article of clothing I own lol, vouching for the nice fabric.

Kuhl is pretty good, but their sizing is all over the place and not good for curves, is generally sized very small for slimmer athletic figures. I have a couple pair that work for me but they’re a loose straight fit/oversized.

Duluth Trading is worth looking into to see if it fits your ethics, their overalls are amazing, and their lined pants are hard-wearing but not flattering on me at all lol, but it’s worth it to stay warm. They run large.

For Carhartt, I wouldn’t bother with real pants-pants unless you have a larger waist and very slim legs, the cut of the pants is just so unique, I’ve never had one work out for me. The best are the force utility leggings, the lined ones are okay for fall or a sunny calm winter day, no harsh conditions. The unlined ones are fine for summer. Both are annoying for no belt loops, but they do have like 6-8 pockets. I’ve found their quality to be perfectly fine - I have a full-swing Cryder jacket that I’ve worn every day in the winter season for three years and it still looks in new condition as far as fabric wear/seam integrity/zipper function/etc. but is getting a nice worn-in look to the fabric. I also wear the leggings in my weekly rotation for three years, and they look brand new.