My stats: 42 years old 6'0" 285 lbs.... I found as I entered my late 30s I was starting to have back aches and needed a good lumbar support. Tried multiple chairs before finding this one it is just right for my back. The mesh material does start to lose its tightness after a couple years I'd say after having it for about 2.5 years I noticed it wasn't as firm as it should be anymore. I replaced it with the same chair 6 months later (now) so overall got about 3 years out of the thing. Keep in mind I work from home so spend easily 45-50 hours a week in the chair between work and personal use. To me that is an excellent wear and tear ratio given my weight and amount of usage. I would happily buy this chair every 3 years and not feel cheated. In fact I'm tempted to just buy another now as a spare and throw it in my basement for a few years from now as I find more often than not once I find something great the company inevitably stops selling it. :)
We are well pleased with everything except the lumbar support which does not stay where we adjust it to — less than a minute of sitting and it falls to lowest setting. That is very disappointing but other than that we are happy we bought it
This chair has several features I really like - the adjustable arms that allow you to work closer to the desk if desired the mesh seat is not only breathable but is supportive with out pressure point issues caused by cushion over hard surface like standard office chairs the lumbar support adjustment is a great idea & the tilt & vertical adjust in small increments for a truly custom setting. It seems to encourage better circulation in my legs which Is very important if spending prolonged time at a computer. This is a lot of value for the relatively small investment.
I have lower back issues and this chair provides awesome support! I have only had this chair a few weeks but at the end of each day my back feels great!