FlexiSpot Soutien Ergonomic Office Chair (C5) vs SIHOO Doro C300

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

VS
SIHOO Doro C300

SIHOO

SIHOO Doro C300

$559.99 – $569.99

$310

lower starting price for FlexiSpot Soutien Ergonomic Office Chair (C5) than SIHOO Doro C300 at the brand stores

FlexiSpot Soutien Ergonomic Office Chair (C5)SIHOO Doro C300
Price
$249.99 – $279.99$559.99 – $569.99
Seat height
17.9–20.9 in47–55 cm
Seat depth
18.7 in43.5–46 cm
Load capacity
300 lb330 lb (≈ 150 kg)
Recline
95–115°Recline Angles: 110°, 120°, 130°
Arms
2D4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage)
Headrest
2D3D Mechanical Headrest
Lumbar support
2DSelf-adaptive dynamic lumbar support
Warranty
5 years3 years

Questions

Which is cheaper, the FlexiSpot Soutien Ergonomic Office Chair (C5) or the SIHOO Doro C300?

The FlexiSpot Soutien Ergonomic Office Chair (C5) is cheaper to start: $249.99 versus $559.99 for the SIHOO Doro C300 at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO Doro C300, rated for 330 lb versus 300 lb for the FlexiSpot Soutien Ergonomic Office Chair (C5).

Which has a headrest?

Both: the FlexiSpot Soutien Ergonomic Office Chair (C5) as standard and the SIHOO Doro C300 as standard.

Swap in a similar chair

More comparisons