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

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

FlexiSpot Premium Ergonomic Office Chair (C7 Max)

FlexiSpot

FlexiSpot Premium Ergonomic Office Chair (C7 Max)

$549.99 – $599.99

VS
SIHOO Doro S300

SIHOO

SIHOO Doro S300

$999.99

7 years

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

Differences at a glance

FlexiSpot Premium Ergonomic Office Chair (C7 Max)SIHOO Doro S300
Price
$549.99 – $599.99$999.99
Seat height
18.5–20.9 in47 – 55.5 cm (18.50 – 21.85 in)
Seat depth
15.7–17.3 in40 – 47 cm (15.75 – 18.50 in)
Load capacity
300 lb; 350 lb330 lb (≈ 150 kg)
Recline
93–135°Recline Angles: 100°, 110°, 130°
Arms
5D6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Headrest
3D; 2.36 in, 135°Soft, integrated headrest; upper backrest adjusts in 5 levels
Lumbar support
adjustable self-adaptive dynamicDual dynamic lumbar support; angle 90°-105° fine-tuned with the gas lift
Warranty
10 years3 years

Questions

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

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

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

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