FlexiSpot Premium Ergonomic Office Chair (C7 Max) vs SIHOO Doro C300 Ultra V2
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
SIHOO
SIHOO Doro C300 Ultra V2
$679.99 – $689.99
7 years
longer warranty on FlexiSpot Premium Ergonomic Office Chair (C7 Max) than SIHOO Doro C300 Ultra V2 (official terms)
Differences at a glance
Sources
- Professional Ergonomic Office Chair | Comfortable Chair C7M | Flexispot ↗Checked Oct 17, 2026
- Doro C300 Ultra V2 Zero‑Gravity Full‑Body Adaptive Ergonomic Chair – UK Sihoo official Shop ↗Checked Oct 13, 2026
- Sihoo Doro C300 Ultra V2 | Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 13, 2026
- Price
- $549.99 – $599.99$679.99 – $689.99
- Seat height
- 18.5–20.9 in47.5–55.5 cm (≈ 18.7-21.9 in)
- Seat depth
- 15.7–17.3 in16.9–18.5 in (≈ 43-47 cm)
- Load capacity
- 300 lb; 350 lb330 lb (≈ 150 kg)
- Recline
- 93–135°Recline Angles 105°, 120°, 135°
- Arms
- 5D8D Bionic Armrests (up, down, forward, back, rotate, or tilt)
- Headrest
- 3D; 2.36 in, 135°Ultra-wide 3D headrest, adjusts in three directions
- Lumbar support
- adjustable self-adaptive dynamicDomino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levels
- Warranty
- 10 years3 years (covers manufacturing defects)
Questions
Which is cheaper, the FlexiSpot Premium Ergonomic Office Chair (C7 Max) or the SIHOO Doro C300 Ultra V2?
The FlexiSpot Premium Ergonomic Office Chair (C7 Max) is cheaper to start: $549.99 versus $679.99 for the SIHOO Doro C300 Ultra V2 at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO Doro C300 Ultra V2, 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 Ultra V2 as standard.
