I have some of these. The fit isn't perfect for me but for the price they are great. The stretchy fabric is also nice. Costco also had some zip off leg stretch pants for about the same price that I also bought. They fit me a bit better and I wear them more often. Durability isn't great but I tend to stain pants regularly at work (dirt etc from field work) so I go through pants often and once again for the price I'm not expecting a ton of durability.
She is an old mountain and is a bit crumbly. Sounds like a great trip, using the moat seemed like the most prudent way to get across the traverse. Plus doing it "out" of condition meant you had it to yourself. That alone counts for something. Thanks for the report.