Herman Miller Cosm High Back vs Knoll Morrison Hannah Task Armchair
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
VS
Knoll
Knoll Morrison Hannah Task Armchair
$1,733 – $3,063
2.8 in
more seat-height adjustment on Herman Miller Cosm High Back than Knoll Morrison Hannah Task Armchair (official specs)
Differences at a glance
Sources
- Cosm Specs - Herman Miller ↗Checked Sep 29, 2026
- Morrison Hannah Task Armchair - Knoll ↗Checked Oct 17, 2026
- High-Back Cosm Chair - Herman Miller Store ↗Checked Sep 29, 2026
- US Herman Miller Store (price) ↗Checked Oct 11, 2026
Herman Miller Cosm High BackKnoll Morrison Hannah Task Armchair
- Price
- $1,925 – $2,400$1,733 – $3,063
- Seat height
- 14.8–21.4 in (37.6–54.4 cm)16.375–20.125 in
- Seat depth
- 15.9 in (40.4 cm)18.375 in
- Load capacity
- 350 lb (158.8 kg)350 lb
- Warranty
- 12-year, 3-shift warranty, with limited exceptions12 years
Questions
Which is cheaper, the Herman Miller Cosm High Back or the Knoll Morrison Hannah Task Armchair?
The Knoll Morrison Hannah Task Armchair is cheaper to start: $1,733 versus $1,925 for the Herman Miller Cosm High Back at the brand stores (Oct 2026).
Which has a higher weight capacity?
Neither. Both are rated for 350 lb in their official specifications.
Herman Miller Cosm High Back: specs, reviews, where to buy →Knoll Morrison Hannah Task Armchair: specs, reviews, where to buy →
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