SIHOO B300 Pro vs FlexiSpot Premium Ergonomic Office Chair (C7 Max)
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

SIHOO
SIHOO B300 Pro
$329.99 – $379.99
VS

FlexiSpot
FlexiSpot Premium Ergonomic Office Chair (C7 Max)
$549.99 – $599.99
7 years
longer warranty on FlexiSpot Premium Ergonomic Office Chair (C7 Max) than SIHOO B300 Pro (official terms)
Differences at a glance
Sources
- Sihoo B300 Pro Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 16, 2026
- Professional Ergonomic Office Chair | Comfortable Chair C7M | Flexispot ↗Checked Oct 17, 2026
SIHOO B300 ProFlexiSpot Premium Ergonomic Office Chair (C7 Max)
- Price
- $329.99 – $379.99$549.99 – $599.99
- Seat height
- 46.8–55.3 cm18.5–20.9 in
- Seat depth
- 16.5–18.5 in (≈ 42-47 cm)15.7–17.3 in
- Load capacity
- 330 lb (≈ 150 kg)300 lb; 350 lb
- Recline
- Three lockable recline angles: 105°, 120°, 135°93–135°
- Arms
- 6D All-Around Armrests (rotate, adjust, flip up)5D
- Headrest
- 3D Ultra-Wide Headrest3D; 2.36 in, 135°
- Lumbar support
- 4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustmentadjustable self-adaptive dynamic
- Warranty
- 3-Year Free Warranty10 years
Questions
Which is cheaper, the SIHOO B300 Pro or the FlexiSpot Premium Ergonomic Office Chair (C7 Max)?
The SIHOO B300 Pro is cheaper to start: $329.99 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 B300 Pro, rated for 330 lb versus 300 lb for the FlexiSpot Premium Ergonomic Office Chair (C7 Max).
Which has a headrest?
Both: the SIHOO B300 Pro as standard and the FlexiSpot Premium Ergonomic Office Chair (C7 Max) as standard.
SIHOO B300 Pro: specs, reviews, where to buy →FlexiSpot Premium Ergonomic Office Chair (C7 Max): specs, reviews, where to buy →



