Bottom line The FlexiSpot C7 is the best budget chair overall — real adjustable lumbar and breathable mesh for under $300[1].

The sub-$300 market is full of chairs that look ergonomic but offer no real support — a fixed foam lump at the back is not lumbar support. The chairs below actually let you adjust support to fit your spine.

Affordable ergonomic office chair

The picks

ChairPriceErgo ScoreStandout
FlexiSpot C7$29986Adjustable lumbar + mesh
Branch Ergonomic$28984Clean design, good recline
HON Ignition 2.0$26983Adjustable everything

What to look for under $300

  • Height-adjustable lumbar — not a fixed bump.
  • Breathable mesh back — avoids heat buildup in long sessions.
  • Adjustable seat depth — rare but worth seeking at this price.

What to avoid

  • "Executive" chairs — padded but often no lumbar support.
  • Non-adjustable armrests — fixed arms cause shoulder strain.

The verdict

The FlexiSpot C7 delivers the two features that matter most — adjustable lumbar and a breathable back — at a price almost anyone can justify. It's the budget chair we recommend.