SIHOO Doro S100 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 S100

$499.99 – $509.99

Haworth

Haworth Soji

$545

9 years

longer warranty on Haworth Soji than SIHOO Doro S100 (official terms)

Differences at a glance

SIHOO Doro S100Haworth Soji

Price: $499.99 – $509.99$545
Seat height: 46–54 cm16.4–21 in (41.7–53.3 cm)
Seat depth: 15.15–17.12 in (≈ 38.5-43.5 cm)16.25–18.75 in (41.3–47.6 cm)
Load capacity: 330 lb (≈ 150 kg)350 lb (158.8 kg)
Recline: Reclines up to 135°Tilt tension control; back lock; optional forward tilt by 5°
Arms: 4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage); Up and down 2.76 in, forward and back 1.18 in, side to side, rotate 72°Fixed arms, height-adjustable arms, 4D arms, and armless options available
Lumbar support: Dual dynamic lumbar supportOptional lumbar adjustment for personalized support within a 3.5" range
Warranty: 3 years12 year warranty

Which is cheaper, the SIHOO Doro S100 or the Haworth Soji?

The SIHOO Doro S100 is cheaper to start: $499.99 versus $545 for the Haworth Soji at the brand stores (Oct 2026).