
FLEXISPOT
FLEXISPOT ErgoX-PRO Ergonomic Office Chair Black – Cloudtech Cushion, 5D Lumbar, 7D Armrests, 4D Headrest, 551LBS Capacity – Office, Gaming, Home
In stock on Amazon.com
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Nouhaus
$299.99$329.99
You save $30.00 off the list price
In stock on Amazon.com
Check PriceSpecs verified October 2026
Amazon.com data updated October 13, 2026, 2:34 pm ET. Price and availability are accurate as of the time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply.
| Seat height range | Not listed by the seller |
|---|---|
| Seat width | Not listed by the seller |
| Seat depth | Not listed by the seller |
| Seat depth adjustable | Not listed by the seller |
| Seat cushion | Not listed by the seller |
| Cushion thickness | Not listed by the seller |
| Back material | Mesh (from manufacturer) |
| Backrest height | Not listed by the seller |
| Backrest width | Not listed by the seller |
| Armrests | 4D adjustable |
| Lumbar support | 3D |
| Lumbar adjustments | Not listed by the seller |
| Headrest | Yes |
| Max recline | 135 degrees |
| Tilt mechanism | Not listed by the seller |
| Base material | Aluminum |
| Casters | Rollerblade |
| Gas lift | Not listed by the seller |
| Weight capacity | Not listed by the seller |
| Chair weight | 46.29 lb (from manufacturer) |
| Overall height | 44.09 to 49.01 in (from manufacturer) |
| Warranty | 5 years (from manufacturer) |
| Certifications | BIFMA |
The grey Ergo3D pairs 4D arms and a 3D lumbar with a 5-year warranty and a 135 degree recline, backed by 6545 reviews at 4.2. The listing does not state a weight capacity.
The manufacturer's spec sheet backs the tilt tension control, the headrest angle control, the arm height, depth and pivot adjustment and the 5-year warranty. The listing adds a 135 degree maximum recline and a lumbar type of 3D. It does not state seat height, seat depth or lumbar height adjustment, so how far the lumbar can be tuned is unclear.

FLEXISPOT
In stock on Amazon.com
Why consider: Names a gas lift class, which this listing does not state, and has a dynamic lumbar where this one is 3D.

Marsail
In stock on Amazon.com
Why consider: Lists lumbar adjustment in height and depth plus a 330 lb capacity, where this listing calls its lumbar 3D without stating either adjustment.
The back is listed as Elasto-Tension Mesh and the seat upholstery as mesh.
The overall height is listed as up to 49.01 inches.

SIHOO
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ELABEST
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TRALT
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Haworth
In stock on Amazon.com
Amazon.com data updated October 13, 2026, 2:34 pm ET. Price and availability are accurate as of the time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply.