I've had mine for 11 years now. The lowest end model with no lumbar support and nothing but the height is adjustable. The left arm rest now has a huge crack in

I've had mine for 11 years now. The lowest end model with no lumbar support and nothing but the height is adjustable. The left arm rest now has a huge crack in the vinyl which digs into my forearms sometimes but overall it's better than all the other chairs I have access to.