FlexiSpot Premium Ergonomic Office Chair (C7 Max) vs SIHOO Doro S100
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

FlexiSpot
FlexiSpot Premium Ergonomic Office Chair (C7 Max)
$549.99 – $599.99
VS

SIHOO
SIHOO Doro S100
$499.99 – $509.99
7 years
longer warranty on FlexiSpot Premium Ergonomic Office Chair (C7 Max) than SIHOO Doro S100 (official terms)
Differences at a glance
Sources
- Professional Ergonomic Office Chair | Comfortable Chair C7M | Flexispot ↗Checked Oct 17, 2026
- Doro S100 Ergonomic Chair | Dual Lumbar Support & 4D Armrests – UK Sihoo official Shop ↗Checked Oct 8, 2026
- Sihoo Doro S100 Ergonomic Office Chair with Dual Dynamic Lumbar Support – Official US Sihoo Store ↗Checked Oct 8, 2026
FlexiSpot Premium Ergonomic Office Chair (C7 Max)SIHOO Doro S100
- Price
- $549.99 – $599.99$499.99 – $509.99
- Seat height
- 18.5–20.9 in46–54 cm
- Seat depth
- 15.7–17.3 in15.15–17.12 in (≈ 38.5-43.5 cm)
- Load capacity
- 300 lb; 350 lb330 lb (≈ 150 kg)
- Recline
- 93–135°Reclines up to 135°
- Arms
- 5D4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage); Up and down 2.76 in, forward and back 1.18 in, side to side, rotate 72°
- Headrest
- 3D; 2.36 in, 135°Integrated headrest adjusts up or down; upper backrest in five levels
- Lumbar support
- adjustable self-adaptive dynamicDual dynamic lumbar support
- Warranty
- 10 years3 years
Questions
Which is cheaper, the FlexiSpot Premium Ergonomic Office Chair (C7 Max) or the SIHOO Doro S100?
The SIHOO Doro S100 is cheaper to start: $499.99 versus $549.99 for the FlexiSpot Premium Ergonomic Office Chair (C7 Max) at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO Doro S100, 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 S100 as standard.
FlexiSpot Premium Ergonomic Office Chair (C7 Max): specs, reviews, where to buy →SIHOO Doro S100: specs, reviews, where to buy →
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