SIHOO B100 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 B100

SIHOO

SIHOO B100

$199.99 – $259.99

VS
FlexiSpot Soutien Ergonomic Office Chair (C5)

FlexiSpot

FlexiSpot Soutien Ergonomic Office Chair (C5)

$249.99 – $279.99

2 years

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

Differences at a glance

SIHOO B100FlexiSpot Soutien Ergonomic Office Chair (C5)
Price
$199.99 – $259.99$249.99 – $279.99
Seat height
Seat height adjustable from 18.3" to 21.9"17.9–20.9 in
Load capacity
330 lb (≈ 150 kg)300 lb
Recline
Three lockable angles: 110°, 125° and 135°95–115°
Arms
Flip-up 2D armrests2D
Headrest
Wide 2D adjustable headrest2D
Lumbar support
Floating sacral cushion (targeted sacral support)2D
Warranty
3 years5 years

Questions

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

The SIHOO B100 is cheaper to start: $199.99 versus $249.99 for the FlexiSpot Soutien Ergonomic Office Chair (C5) at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO B100, rated for 330 lb versus 300 lb for the FlexiSpot Soutien Ergonomic Office Chair (C5).

Which has a headrest?

Both: the SIHOO B100 as standard and the FlexiSpot Soutien Ergonomic Office Chair (C5) as standard.

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

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