Herman Miller Cosm Low Back vs FlexiSpot C7 Morpher

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

FlexiSpot

FlexiSpot C7 Morpher

$799.99 – $849.99

3.1 in

more seat-height adjustment on Herman Miller Cosm Low Back than FlexiSpot C7 Morpher (official specs)

Differences at a glance

Herman Miller Cosm Low BackFlexiSpot C7 Morpher

Price: $1,345 – $1,820$799.99 – $849.99
Seat height: 14.8–21.4 in (37.6–54.4 cm)17.72–21.26 in
Seat depth: 15.9 in (40.4 cm)16.14–18.7 in
Load capacity: 350 lb (158.8 kg)380 lb
Arms: Leaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"5D
Warranty: 12-year, 3-shift warranty, with limited exceptions10 years

Which is cheaper, the Herman Miller Cosm Low Back or the FlexiSpot C7 Morpher?

The FlexiSpot C7 Morpher is cheaper to start: $799.99 versus $1,345 for the Herman Miller Cosm Low Back at the brand stores (Oct 2026).

Which has a higher weight capacity?

The FlexiSpot C7 Morpher, rated for 380 lb versus 350 lb for the Herman Miller Cosm Low Back.

What do owners mention most?

Recline and tilt for the Herman Miller Cosm Low Back, and back support for the FlexiSpot C7 Morpher, based on review summaries.