FlexiSpot Soutien Ergonomic Office Chair (C5) vs Duorest Alpha
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

FlexiSpot
FlexiSpot Soutien Ergonomic Office Chair (C5)
$249.99 – $279.99
VS
Differences at a glance
Sources
- Soutien Ergonomic Office Chair C5 | Flexispot ↗Checked Oct 17, 2026
- DUOREST ALPHA (official product page) ↗Checked Sep 29, 2026
- Duorest Alpha Brochure (PDF) ↗Checked Sep 29, 2026
- DUOREST Warranty (official) ↗Checked Sep 29, 2026
- Duoback Official Store (Korea) (price) ↗Checked Sep 29, 2026
FlexiSpot Soutien Ergonomic Office Chair (C5)Duorest Alpha
- Price
- $249.99 – $279.99₩413,000 – ₩520,000
- Load capacity
- 300 lbStandard 300 lbs. weight capacity
- Recline
- 95–115°Back reclines 18° from upright position; 3:1 back to seat synchronous movement with 3 position backlock
- Arms
- 2D3D arms: height adjustment range 72mm (2.8”), front-to-back adjustment range 40mm (1.6”), pivoting arm caps 17º inward and 17º outward
- Headrest
- 2DOptional Headrest accessory adjusts 49mm (1.9”) vertically; pivoting range 63º
- Warranty
- 5 years3 Year Body Frame; 1 Year Mechanism, Cylinder, Form, Casters; 1 Year Flexible Rubber Connector, Seat Pan Materials
Questions
Which has a headrest?
Both: the FlexiSpot Soutien Ergonomic Office Chair (C5) as standard and the Duorest Alpha as an option.
FlexiSpot Soutien Ergonomic Office Chair (C5): specs, reviews, where to buy →Duorest Alpha: specs, reviews, where to buy →





