FlexiSpot Soutien Ergonomic Office Chair (C5) vs SIHOO B100 Pro

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

FlexiSpot Soutien Ergonomic Office Chair (C5)

FlexiSpot

FlexiSpot Soutien Ergonomic Office Chair (C5)

$249.99 – $279.99

VS
SIHOO B100 Pro

SIHOO

SIHOO B100 Pro

$259.99 – $299.99

2 years

longer warranty on FlexiSpot Soutien Ergonomic Office Chair (C5) than SIHOO B100 Pro (official terms)

Differences at a glance

FlexiSpot Soutien Ergonomic Office Chair (C5)SIHOO B100 Pro
Price
$249.99 – $279.99$259.99 – $299.99
Load capacity
300 lb330 lb (≈ 150 kg)
Recline
95–115°3-position recline up to 135°
Arms
2DEnlarged 4D flip-up armrests
Headrest
2DWide 3D adjustable headrest
Lumbar support
2DResponsive lower-back support
Warranty
5 years3 years

Questions

Which is cheaper, the FlexiSpot Soutien Ergonomic Office Chair (C5) or the SIHOO B100 Pro?

The FlexiSpot Soutien Ergonomic Office Chair (C5) is cheaper to start: $249.99 versus $259.99 for the SIHOO B100 Pro at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO B100 Pro, 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 B100 Pro as standard.

FlexiSpot Soutien Ergonomic Office Chair (C5): specs, reviews, where to buy →SIHOO B100 Pro: specs, reviews, where to buy →

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