Haworth Soji vs SIHOO Doro S100

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 S100

$499.99 – $509.99

9 years

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

Differences at a glance

Haworth SojiSIHOO Doro S100

Price: $545$499.99 – $509.99
Seat height: 16.4–21 in (41.7–53.3 cm)46–54 cm
Seat depth: 16.25–18.75 in (41.3–47.6 cm)15.15–17.12 in (≈ 38.5-43.5 cm)
Load capacity: 350 lb (158.8 kg)330 lb (≈ 150 kg)
Recline: Tilt tension control; back lock; optional forward tilt by 5°Reclines up to 135°
Arms: Fixed arms, height-adjustable arms, 4D arms, and armless options available4D 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°
Lumbar support: Optional lumbar adjustment for personalized support within a 3.5" rangeDual dynamic lumbar support
Warranty: 12 year warranty3 years

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

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