Haworth Soji vs SIHOO Doro S300

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

Haworth

Haworth Soji

$545

SIHOO

SIHOO Doro S300

$999.99

9 years

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

Differences at a glance

Haworth SojiSIHOO Doro S300

Price: $545$999.99
Seat height: 16.4–21 in (41.7–53.3 cm)47 – 55.5 cm (18.50 – 21.85 in)
Seat depth: 16.25–18.75 in (41.3–47.6 cm)40 – 47 cm (15.75 – 18.50 in)
Load capacity: 350 lb (158.8 kg)330 lb (≈ 150 kg)
Recline: Tilt tension control; back lock; optional forward tilt by 5°Recline Angles: 100°, 110°, 130°
Arms: Fixed arms, height-adjustable arms, 4D arms, and armless options available6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Lumbar support: Optional lumbar adjustment for personalized support within a 3.5" rangeDual dynamic lumbar support; angle 90°-105° fine-tuned with the gas lift
Warranty: 12 year warranty3 years

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

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

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?

Price and value for the Haworth Soji, and breathability for the SIHOO Doro S300, based on review summaries.