@acdha there are price points from $80 to $1000s and models at each. My wife & researched it thoroughly & we decided we're at heart cheap. We gave a $80 chair a try, so far so good. (can replace an $80 chair a lot of times for the price of a Herman Miller Aeron)
https://www.amazon.com/gp/product/B09TW4PCMH/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1