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

FlexiSpot
FlexiSpot Soutien Ergonomic Office Chair (C5)
$249.99 – $279.99
Differences at a glance
Sources
- DUOREST ALPHA (official product page) ↗Checked Sep 29, 2026
- Soutien Ergonomic Office Chair C5 | Flexispot ↗Checked Oct 17, 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
Duorest AlphaFlexiSpot Soutien Ergonomic Office Chair (C5)
- Price
- ₩413,000 – ₩520,000$249.99 – $279.99
- Load capacity
- Standard 300 lbs. weight capacity300 lb
- Recline
- Back reclines 18° from upright position; 3:1 back to seat synchronous movement with 3 position backlock95–115°
- Arms
- 3D arms: height adjustment range 72mm (2.8”), front-to-back adjustment range 40mm (1.6”), pivoting arm caps 17º inward and 17º outward2D
- Headrest
- Optional Headrest accessory adjusts 49mm (1.9”) vertically; pivoting range 63º2D
- Warranty
- 3 Year Body Frame; 1 Year Mechanism, Cylinder, Form, Casters; 1 Year Flexible Rubber Connector, Seat Pan Materials5 years
Questions
Which has a headrest?
Both: the Duorest Alpha as an option and the FlexiSpot Soutien Ergonomic Office Chair (C5) as standard.
Duorest Alpha: specs, reviews, where to buy →FlexiSpot Soutien Ergonomic Office Chair (C5): specs, reviews, where to buy →





