Herman Miller Cosm High Back vs Haworth Soji XL

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

Herman Miller

Herman Miller Cosm High Back

$1,925 – $2,400

Haworth

Haworth Soji XL

$1,545 – $1,760

250 lb

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

Differences at a glance

Herman Miller Cosm High BackHaworth Soji XL

Price: $1,925 – $2,400$1,545 – $1,760
Seat height: 14.8–21.4 in (37.6–54.4 cm)16.4–21 in
Seat depth: 15.9 in (40.4 cm)16.25–18.75 in
Load capacity: 350 lb (158.8 kg)600 lb
Arms: Leaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"4D
Warranty: 12-year, 3-shift warranty, with limited exceptions12 years

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

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.