FlexiSpot Premium Ergonomic Office Chair (C7 Max) vs SIHOO Doro C300 Pro
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 C300 Pro
$789.99 – $839.99
7 years
longer warranty on FlexiSpot Premium Ergonomic Office Chair (C7 Max) than SIHOO Doro C300 Pro (official terms)
Differences at a glance
Sources
- Professional Ergonomic Office Chair | Comfortable Chair C7M | Flexispot ↗Checked Oct 17, 2026
- Sihoo Doro C300 Pro Ergonomic Office Chair Fully Loaded Comfort – EU Sihoo official Shop ↗Checked Oct 8, 2026
- Sihoo Doro C300 Pro Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 8, 2026
- Doro C300 Pro Ergonomic Office Chair | Adjustable Lumbar, 6D Armrests, Smart Recline – UK Sihoo official Shop ↗Checked Oct 8, 2026
FlexiSpot Premium Ergonomic Office Chair (C7 Max)SIHOO Doro C300 Pro
- Price
- $549.99 – $599.99$789.99 – $839.99
- Seat height
- 18.5–20.9 in46–56.7 cm
- Seat depth
- 15.7–17.3 in16.81–17.76 in (≈ 42.7-45.1 cm)
- Load capacity
- 300 lb; 350 lb330 lb (≈ 150 kg)
- Recline
- 93–135°Maximum recline angle of 135°
- 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°Headrest adjusts up and down, back and forth, or rotates
- Lumbar support
- adjustable self-adaptive dynamicLumbar support automatically conforms to your spine (BM Tracking System)
- Warranty
- 10 years3 years
Questions
Which is cheaper, the FlexiSpot Premium Ergonomic Office Chair (C7 Max) or the SIHOO Doro C300 Pro?
The FlexiSpot Premium Ergonomic Office Chair (C7 Max) is cheaper to start: $549.99 versus $789.99 for the SIHOO Doro C300 Pro at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO Doro C300 Pro, 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 C300 Pro as standard.
FlexiSpot Premium Ergonomic Office Chair (C7 Max): specs, reviews, where to buy →SIHOO Doro C300 Pro: specs, reviews, where to buy →
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- SIHOO Doro C300 Pro vs HBADA X7 Air SIHOO Doro C300 Pro lists at $789.99 – $839.99; HBADA X7 Air at $1,399 (official stores).
- SIHOO Doro C300 Pro vs HBADA E3 Pro (2026 Edition) Arms: 6D coordinated armrests on SIHOO Doro C300 Pro; Armrest Height: 28.3"–34.4" on HBADA E3 Pro (2026 Edition).
- SIHOO Doro C300 Pro vs Autonomous ErgoChair Pro Arms: 6D coordinated armrests on SIHOO Doro C300 Pro; 3D armrests on Autonomous ErgoChair Pro.

