SIHOO Doro S100 vs Haworth Fern

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 Fern

$1,180 – $2,280

9 years

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

Differences at a glance

SIHOO Doro S100Haworth Fern

Price: $499.99 – $509.99$1,180 – $2,280
Seat height: 46–54 cm16.5–21.5 in (41.9–54.6 cm)
Seat depth: 15.15–17.12 in (≈ 38.5-43.5 cm)15.5–18.5 in (39.4–47 cm)
Load capacity: 330 lb (≈ 150 kg)350 lb (158.8 kg); 325 lb (147.4 kg)
Recline: Reclines up to 135°Synchronized 3-point tilt; 5-position back stop from upright to reclined; optional 5° forward tilt
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°Optional 4D arms (up/down, side to side, front/back, pivot); also fixed, height-adjustable, armless
Headrest: Integrated headrest adjusts up or down; upper backrest in five levelsOptional
Lumbar support: Dual dynamic lumbar supportBuilt-in lumbar support; optional height-adjustable lumbar (3.5 in range)
Warranty: 3 years12 year warranty

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

The SIHOO Doro S100 is cheaper to start: $499.99 versus $1,180 for the Haworth Fern at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Haworth Fern, rated for 350 lb versus 330 lb for the SIHOO Doro S100.

Which has a headrest?

Both: the SIHOO Doro S100 as standard and the Haworth Fern as an option.