Haworth Soji XL 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.

Haworth

Haworth Soji XL

$1,545 – $1,760

Herman Miller

Herman Miller Cosm High Back

$1,925 – $2,400

250 lb

higher rated load for Haworth Soji XL than Herman Miller Cosm High Back (official specs)

Differences at a glance

Haworth Soji XLHerman Miller Cosm High Back

Price: $1,545 – $1,760$1,925 – $2,400
Seat height: 16.4–21 in14.8–21.4 in (37.6–54.4 cm)
Seat depth: 16.25–18.75 in15.9 in (40.4 cm)
Load capacity: 600 lb350 lb (158.8 kg)
Arms: 4DLeaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"
Warranty: 12 years12-year, 3-shift warranty, with limited exceptions

Which is cheaper, the Haworth Soji XL or the Herman Miller Cosm High Back?

The Haworth Soji XL is cheaper to start: $1,545 versus $1,925 for the Herman Miller Cosm High Back at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Haworth Soji XL, rated for 600 lb versus 350 lb for the Herman Miller Cosm High Back.