Meridian
Meridian FlexSpine 9
MF-9
Task chair with a jointed backrest that tracks spine movement instead of a single pivot.
Bestpicky earns a commission on some purchases made through links on this page. Commission never affects how products are scored or ranked — placements come from a published, versioned scoring model, and commercial data is unreachable from the code that produces them.
How this chair scores
9.6
out of 10
| Dimension | Value | Weight applied |
|---|---|---|
| Ergonomics | 10.0 | 33.3% |
| Adjustability | 10.0 | 25.0% |
| Build quality | 10.0 | 16.7% |
| Long-session suitability | 10.0 | 16.7% |
| Evidence coverage | 5.1 | 8.3% |
What we could not measure
These dimensions had no usable source, so they were removed and the remaining weights renormalised. They did not count as zero.
- Comfort — no source recorded
- Customer satisfaction — no source recorded
- Value — no source recorded
Recorded specifications
| Specification | Value |
|---|---|
| Lumbar adjustability | Dynamic, tracks back movement |
| Armrest adjustability | 4D |
| Seat depth adjustment | Yes |
| Recline range | 130 degrees |
| Back material | Mesh back, foam seat |
| Seat width | 53 cm |
| Maximum supported weight | 140 kg |
| Headrest | Yes |
| Warranty | 12 years |
The evidence behind the score
- AdjustabilitySupports
4D armrests, seat depth slider and adjustable tilt tension.
manufacturer spec · manually recorded ·
- ErgonomicsSupports
Jointed backrest follows the sitter rather than holding one fixed curve.
manufacturer spec · manually recorded ·
- Build qualitySupports
Twelve-year warranty covering the mechanism and the gas lift.
manufacturer spec · manually recorded ·
- Long-session suitabilitySupports
Back movement stays supported through posture changes.
editorial observation · manually recorded ·