X-Chair X1 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.

X-Chair

X-Chair X1

$729

FlexiSpot

FlexiSpot Soutien Ergonomic Office Chair (C5)

$249.99 – $279.99

$479.01

lower starting price for FlexiSpot Soutien Ergonomic Office Chair (C5) than X-Chair X1 at the brand stores

Differences at a glance

X-Chair X1FlexiSpot Soutien Ergonomic Office Chair (C5)

Price: $729$249.99 – $279.99
Seat height: 15.56–19.75 in17.9–20.9 in
Seat depth: 16–18 in18.7 in
Load capacity: 275 lb (125 kg)300 lb
Recline: Extensive Variable Recline allows you to recline and lock into position. Recline tension can be adjusted using one tension-resistant control.95–115°
Arms: 4-Dimensional armrests come standard (up, down, side-to-side, front-to-back); option to upgrade to FS 360 rotational armrests; Armrest Height 7.125in - 10.625in2D
Headrest: Optional add-on (standard configuration: No headrest; Headrest +$60)2D
Lumbar support: Dynamic Variable Lumbar (DVL)® Support; height adjustable backrest raises the DVL®2D
Warranty: 5 years (all parts and materials); 15 years (non-moving metal components, chair frame)5 years

Which is cheaper, the X-Chair X1 or the FlexiSpot Soutien Ergonomic Office Chair (C5)?

The FlexiSpot Soutien Ergonomic Office Chair (C5) is cheaper to start: $249.99 versus $729 for the X-Chair X1 at the brand stores (Sep 2026).

Which has a higher weight capacity?

The FlexiSpot Soutien Ergonomic Office Chair (C5), rated for 300 lb versus 275 lb for the X-Chair X1.

Which has a headrest?

Both: the X-Chair X1 as an option and the FlexiSpot Soutien Ergonomic Office Chair (C5) as standard.