What is Adjustable lumbar support?
A back cushion or mesh curve that moves up/down and in/out.
Short answer
'Ergonomic design' with a fixed back is not lumbar support.
Adjustable lumbar support when buying a office & study chair
A back cushion or mesh curve that moves up/down and in/out.
Why it matters: Your lower back curve is personal; a fixed bump often sits in the wrong place and hurts more.
Look for: 'Ergonomic design' with a fixed back is not lumbar support.
Full Office & Study Chair buying guide