Depending on your preferences you can go made to measure online, or old school fly-to-southeast-asia and get them tailored in person. Either will be approximately as expensive as reasonable off the rack wardrobe and will fit 100% accurately.
Another alternative is Outlier - a small brand that focuses on high quality, durable fashion. [2]
For more afforadable basics I like Uniqlo - say what you want, but I think it's very worthwhile clothing for the price. [3]
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I bought these cycling pants from Arcteryx, they're the best pants I've bought. They're Teflon coated, presumptively to shed road splatter, but they shed everything else as well, they don't get dirty! I've worn them 20 times, they haven't been through the wash yet. I spilled flour, spaghetti sauce and coffee on them, there's no visible evidence that any of that has happened.
Take a look at what's available at Kohl's, Walmart, Old Navy etc and you will see what I mean.
On top of that, we get to pay extra for the privilege.
I want simple, unornamented women's size and proportioned tops and trousers made out of the fabrics men's clothes are.
You can spend tons of money on a S200s suit, but it won't last as long as a cheap poly-wool blend. At a minimum I would suggest that you get two pairs of pants.