Herman Miller Cosm Low Back vs KI Torsion Air

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

Herman Miller

Herman Miller Cosm Low Back

$1,345 – $1,820

KI Torsion Air

$904 – $944

$441

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

Differences at a glance

Herman Miller Cosm Low BackKI Torsion Air

Price: $1,345 – $1,820$904 – $944
Seat height: 14.8–21.4 in (37.6–54.4 cm)18–23 in (45.7–58.4 cm)
Seat depth: 15.9 in (40.4 cm)18.5 in (47.0 cm)
Arms: Leaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"Arms or armless
Warranty: 12-year, 3-shift warranty, with limited exceptionsLifetime

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

The KI Torsion Air is cheaper to start: $904 versus $1,345 for the Herman Miller Cosm Low Back at the brand stores (Oct 2026).