KI Torsion Air vs Herman Miller Cosm High Back

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

KI Torsion Air

$904 – $944

Herman Miller

Herman Miller Cosm High Back

$1,925 – $2,400

$1,021

lower starting price for KI Torsion Air than Herman Miller Cosm High Back at the brand stores

Differences at a glance

KI Torsion AirHerman Miller Cosm High Back

Price: $904 – $944$1,925 – $2,400
Seat height: 18–23 in (45.7–58.4 cm)14.8–21.4 in (37.6–54.4 cm)
Seat depth: 18.5 in (47.0 cm)15.9 in (40.4 cm)
Arms: Arms or armlessLeaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"
Warranty: Lifetime12-year, 3-shift warranty, with limited exceptions

Which is cheaper, the KI Torsion Air or the Herman Miller Cosm High Back?

The KI Torsion Air is cheaper to start: $904 versus $1,925 for the Herman Miller Cosm High Back at the brand stores (Sep 2026).