Haworth Fern vs KI Torsion Air

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

Haworth

Haworth Fern

$1,180 – $2,280

KI Torsion Air

$904 – $944

$276

lower starting price for KI Torsion Air than Haworth Fern at the brand stores

Differences at a glance

Haworth FernKI Torsion Air

Price: $1,180 – $2,280$904 – $944
Seat height: 16.5–21.5 in (41.9–54.6 cm)18–23 in (45.7–58.4 cm)
Seat depth: 15.5–18.5 in (39.4–47 cm)18.5 in (47.0 cm)
Recline: Synchronized 3-point tilt; 5-position back stop from upright to reclined; optional 5° forward tiltTorsion flex back; gradually increasing resistance over the full 12 degrees of back flex
Arms: Optional 4D arms (up/down, side to side, front/back, pivot); also fixed, height-adjustable, armlessArms or armless
Warranty: 12 year warrantyLifetime

Which is cheaper, the Haworth Fern or the KI Torsion Air?

The KI Torsion Air is cheaper to start: $904 versus $1,180 for the Haworth Fern at the brand stores (Oct 2026).