FlexiSpot Premium Ergonomic Office Chair (C7 Max) vs SIHOO B300 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 B300 Pro
$329.99 – $379.99
7 years
longer warranty on FlexiSpot Premium Ergonomic Office Chair (C7 Max) than SIHOO B300 Pro (official terms)
Differences at a glance
Sources
- Professional Ergonomic Office Chair | Comfortable Chair C7M | Flexispot ↗Checked Oct 17, 2026
- Sihoo B300 Pro Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 16, 2026
FlexiSpot Premium Ergonomic Office Chair (C7 Max)SIHOO B300 Pro
- Price
- $549.99 – $599.99$329.99 – $379.99
- Seat height
- 18.5–20.9 in46.8–55.3 cm
- Seat depth
- 15.7–17.3 in16.5–18.5 in (≈ 42-47 cm)
- Load capacity
- 300 lb; 350 lb330 lb (≈ 150 kg)
- Recline
- 93–135°Three lockable recline angles: 105°, 120°, 135°
- Arms
- 5D6D All-Around Armrests (rotate, adjust, flip up)
- Headrest
- 3D; 2.36 in, 135°3D Ultra-Wide Headrest
- Lumbar support
- adjustable self-adaptive dynamic4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustment
- Warranty
- 10 years3-Year Free Warranty
Questions
Which is cheaper, the FlexiSpot Premium Ergonomic Office Chair (C7 Max) or the SIHOO B300 Pro?
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 FlexiSpot Premium Ergonomic Office Chair (C7 Max) as standard and the SIHOO B300 Pro as standard.
FlexiSpot Premium Ergonomic Office Chair (C7 Max): specs, reviews, where to buy →SIHOO B300 Pro: specs, reviews, where to buy →
