SIHOO B300 Pro vs Haworth Soji
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
9 years
longer warranty on Haworth Soji 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
- Soji Customizable Ergonomic Office Chair | Haworth Store ↗Checked Sep 29, 2026
- Haworth Soji Office Chair Product Sheet ↗Checked Sep 29, 2026
SIHOO B300 ProHaworth Soji
- Price
- $329.99 – $379.99$545
- Seat height
- 46.8–55.3 cm16.4–21 in (41.7–53.3 cm)
- Seat depth
- 16.5–18.5 in (≈ 42-47 cm)16.25–18.75 in (41.3–47.6 cm)
- Load capacity
- 330 lb (≈ 150 kg)350 lb (158.8 kg)
- Recline
- Three lockable recline angles: 105°, 120°, 135°Tilt tension control; back lock; optional forward tilt by 5°
- Arms
- 6D All-Around Armrests (rotate, adjust, flip up)Fixed arms, height-adjustable arms, 4D arms, and armless options available
- Lumbar support
- 4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustmentOptional lumbar adjustment for personalized support within a 3.5" range
- Warranty
- 3-Year Free Warranty12 year warranty
Questions
Which is cheaper, the SIHOO B300 Pro or the Haworth Soji?
The SIHOO B300 Pro is cheaper to start: $329.99 versus $545 for the Haworth Soji at the brand stores (Oct 2026).
