SIHOO Doro S300 vs Haworth Soji

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

SIHOO

SIHOO Doro S300

$999.99

Haworth

Haworth Soji

$545

9 years

longer warranty on Haworth Soji than SIHOO Doro S300 (official terms)

Differences at a glance

SIHOO Doro S300Haworth Soji

Price: $999.99$545
Seat height: 47 – 55.5 cm (18.50 – 21.85 in)16.4–21 in (41.7–53.3 cm)
Seat depth: 40 – 47 cm (15.75 – 18.50 in)16.25–18.75 in (41.3–47.6 cm)
Load capacity: 330 lb (≈ 150 kg)350 lb (158.8 kg)
Recline: Recline Angles: 100°, 110°, 130°Tilt tension control; back lock; optional forward tilt by 5°
Arms: 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)Fixed arms, height-adjustable arms, 4D arms, and armless options available
Lumbar support: Dual dynamic lumbar support; angle 90°-105° fine-tuned with the gas liftOptional lumbar adjustment for personalized support within a 3.5" range
Warranty: 3 years12 year warranty

From 0 SIHOO Doro S300 and 8 Haworth Soji user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the SIHOO Doro S300 or the Haworth Soji?

The Haworth Soji is cheaper to start: $545 versus $999.99 for the SIHOO Doro S300 at the brand stores (Oct 2026).

What do owners mention most?

Breathability for the SIHOO Doro S300, and price and value for the Haworth Soji, based on review summaries.