SIHOO Doro S300 vs FlexiSpot Premium Ergonomic Office Chair (C7 Max)

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

SIHOO Doro S300

SIHOO

SIHOO Doro S300

$999.99

VS
FlexiSpot Premium Ergonomic Office Chair (C7 Max)

FlexiSpot

FlexiSpot Premium Ergonomic Office Chair (C7 Max)

$549.99 – $599.99

7 years

longer warranty on FlexiSpot Premium Ergonomic Office Chair (C7 Max) than SIHOO Doro S300 (official terms)

Differences at a glance

SIHOO Doro S300FlexiSpot Premium Ergonomic Office Chair (C7 Max)
Price
$999.99$549.99 – $599.99
Seat height
47 – 55.5 cm (18.50 – 21.85 in)18.5–20.9 in
Seat depth
40 – 47 cm (15.75 – 18.50 in)15.7–17.3 in
Load capacity
330 lb (≈ 150 kg)300 lb; 350 lb
Recline
Recline Angles: 100°, 110°, 130°93–135°
Arms
6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)5D
Headrest
Soft, integrated headrest; upper backrest adjusts in 5 levels3D; 2.36 in, 135°
Lumbar support
Dual dynamic lumbar support; angle 90°-105° fine-tuned with the gas liftadjustable self-adaptive dynamic
Warranty
3 years10 years

Questions

Which is cheaper, the SIHOO Doro S300 or the FlexiSpot Premium Ergonomic Office Chair (C7 Max)?

The FlexiSpot Premium Ergonomic Office Chair (C7 Max) is cheaper to start: $549.99 versus $999.99 for the SIHOO Doro S300 at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO Doro S300, rated for 330 lb versus 300 lb for the FlexiSpot Premium Ergonomic Office Chair (C7 Max).

Which has a headrest?

Both: the SIHOO Doro S300 as standard and the FlexiSpot Premium Ergonomic Office Chair (C7 Max) as standard.

SIHOO Doro S300: specs, reviews, where to buy →FlexiSpot Premium Ergonomic Office Chair (C7 Max): specs, reviews, where to buy →

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