FlexiSpot Standard Ergo Office Chair (C4) vs SIHOO B100 Pro

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

FlexiSpot Standard Ergo Office Chair (C4)

FlexiSpot

FlexiSpot Standard Ergo Office Chair (C4)

$219.99 – $239.99

VS
SIHOO B100 Pro

SIHOO

SIHOO B100 Pro

$259.99 – $299.99

2 years

longer warranty on FlexiSpot Standard Ergo Office Chair (C4) than SIHOO B100 Pro (official terms)

Differences at a glance

FlexiSpot Standard Ergo Office Chair (C4)SIHOO B100 Pro
Price
$219.99 – $239.99$259.99 – $299.99
Load capacity
300 lb330 lb (≈ 150 kg)
Recline
90–135°3-position recline up to 135°
Arms
3DEnlarged 4D flip-up armrests
Headrest
3DWide 3D adjustable headrest
Lumbar support
fixedResponsive lower-back support
Warranty
5 years3 years

Questions

Which is cheaper, the FlexiSpot Standard Ergo Office Chair (C4) or the SIHOO B100 Pro?

The FlexiSpot Standard Ergo Office Chair (C4) is cheaper to start: $219.99 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 Standard Ergo Office Chair (C4).

Which has a headrest?

Both: the FlexiSpot Standard Ergo Office Chair (C4) as standard and the SIHOO B100 Pro as standard.

FlexiSpot Standard Ergo Office Chair (C4): specs, reviews, where to buy →SIHOO B100 Pro: specs, reviews, where to buy →

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