FlexiSpot Premium Ergo Executive Chair (R8) 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.
VS
SIHOO
SIHOO Doro C300 Ultra V2
$679.99 – $689.99
7 years
longer warranty on FlexiSpot Premium Ergo Executive Chair (R8) than SIHOO Doro C300 Ultra V2 (official terms)
Differences at a glance
Sources
- Premium Ergo Executive Chair R8丨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
FlexiSpot Premium Ergo Executive Chair (R8)SIHOO Doro C300 Ultra V2
- Price
- $799.99$679.99 – $689.99
- Seat height
- 18.81–22.87 in47.5–55.5 cm (≈ 18.7-21.9 in)
- Seat depth
- 18.5–20.47 in16.9–18.5 in (≈ 43-47 cm)
- Load capacity
- 330 lb330 lb (≈ 150 kg)
- Recline
- 90–130°Recline Angles 105°, 120°, 135°
- Headrest
- 2D + adaptiveUltra-wide 3D headrest, adjusts in three directions
- Lumbar support
- adaptiveDomino™ 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 Ergo Executive Chair (R8) or the SIHOO Doro C300 Ultra V2?
The SIHOO Doro C300 Ultra V2 is cheaper to start: $679.99 versus $799.99 for the FlexiSpot Premium Ergo Executive Chair (R8) at the brand stores (Oct 2026).
Which has a higher weight capacity?
Neither. Both are rated for 330 lb in their official specifications.
Which has a headrest?
Both: the FlexiSpot Premium Ergo Executive Chair (R8) as standard and the SIHOO Doro C300 Ultra V2 as standard.
FlexiSpot Premium Ergo Executive Chair (R8): specs, reviews, where to buy →SIHOO Doro C300 Ultra V2: specs, reviews, where to buy →
