SIHOO Doro C300 Pro 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.

SIHOO Doro C300 Pro

SIHOO

SIHOO Doro C300 Pro

$789.99 – $839.99

VS
FlexiSpot Soutien Ergonomic Office Chair (C5)

FlexiSpot

FlexiSpot Soutien Ergonomic Office Chair (C5)

$249.99 – $279.99

$540

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

Differences at a glance

SIHOO Doro C300 ProFlexiSpot Soutien Ergonomic Office Chair (C5)
Price
$789.99 – $839.99$249.99 – $279.99
Seat height
46–56.7 cm17.9–20.9 in
Seat depth
16.81–17.76 in (≈ 42.7-45.1 cm)18.7 in
Load capacity
330 lb (≈ 150 kg)300 lb
Recline
Maximum recline angle of 135°95–115°
Arms
6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)2D
Headrest
Headrest adjusts up and down, back and forth, or rotates2D
Lumbar support
Lumbar support automatically conforms to your spine (BM Tracking System)2D
Warranty
3 years5 years

Questions

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

The FlexiSpot Soutien Ergonomic Office Chair (C5) is cheaper to start: $249.99 versus $789.99 for the SIHOO Doro C300 Pro at the brand stores (Oct 2026).

Which has a higher weight capacity?

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

Which has a headrest?

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

SIHOO Doro C300 Pro: specs, reviews, where to buy →FlexiSpot Soutien Ergonomic Office Chair (C5): specs, reviews, where to buy →

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