I'll also mention Steelcase Leap as an alternative. Depending on the location, it might not have as much of premium in the used market as the Aeron. (I believe

I'll also mention Steelcase Leap as an alternative. Depending on the location, it might not have as much of premium in the used market as the Aeron. (I believe you can remove the armrests, but I haven't personally tried.) Both are very solid chairs, though it really should be sat on to see if it's a good fit.