On the other hand, what necessary features does this chair have that the most basic ones don't? I was going to buy me the most basic office chair (height and t

On the other hand, what necessary features does this chair have that the most basic ones don't? I was going to buy me the most basic office chair (height and tilt-adjustable, as I guess just any of them) because I don't wish to pay price of something like Aeron and I don't understand what the above-basic chairs have to offer me.