Vitra ID Soft vs Herman Miller Cosm Mid Back

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

Vitra

Vitra ID Soft

From $995

Herman Miller

Herman Miller Cosm Mid Back

$2,030

7 years

longer warranty on Herman Miller Cosm Mid Back than Vitra ID Soft (official terms)

Differences at a glance

Vitra ID SoftHerman Miller Cosm Mid Back

Price: From $995$2,030
Seat height: 400–520 mm (15¾″–20½″), measured with 64 kg load; 450 mm (17¾″) fixed seat height14.875–21 in
Seat depth: 400–450 mm; 380 mm15.5 in
Warranty: 5 years (Vitra Inc. Limited Warranty, sales via the Vitra online shop)12 years

Which is cheaper, the Vitra ID Soft or the Herman Miller Cosm Mid Back?

The Vitra ID Soft is cheaper to start: $995 versus $2,030 for the Herman Miller Cosm Mid Back at the brand stores (Oct 2026).