I'm 62 and my wife is 52. We both have pretty bad backs. I bought this chair first...immediately I knew this was perfect...and so did my wife so I raced out to get her the chair as well. The arms of the chair are not necessary to the chair's construction so I didn't attach them at all. I use this chair at my desk for week and when I am practicing guitar. I find it incredible comfortable and supportive....No strain no pain. Absolutely the best chair I ever bought. At this price it's a BARGAIN for sure.
Bought in January and by May the seat would begin to sink sporadically. By August is now fails constantly and yes I am under the 275# limit it says it handles. Absolute junk.
The chair was VERY well packaged. Directions were easy to understand. Seems to be well built and comfortable. Got mine in blue. I can't stand black and white didn't go with my office. Is it as good as Herman Miller? Probably not but for $900 is is GREAT.