FlexiSpot Soutien Ergonomic Office Chair (C5) 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.
FlexiSpot
FlexiSpot Soutien Ergonomic Office Chair (C5)
$249.99 – $279.99
VS
Herman Miller
Herman Miller Cosm High Back
$1,925 – $2,400
$1,675.01
lower starting price for FlexiSpot Soutien Ergonomic Office Chair (C5) than Herman Miller Cosm High Back at the brand stores
Differences at a glance
Sources
- Soutien Ergonomic Office Chair C5 | Flexispot ↗Checked Oct 17, 2026
- Cosm Specs - Herman Miller ↗Checked Sep 29, 2026
- High-Back Cosm Chair - Herman Miller Store ↗Checked Sep 29, 2026
- US Herman Miller Store (price) ↗Checked Oct 11, 2026
FlexiSpot Soutien Ergonomic Office Chair (C5)Herman Miller Cosm High Back
- Price
- $249.99 – $279.99$1,925 – $2,400
- Seat height
- 17.9–20.9 in14.8–21.4 in (37.6–54.4 cm)
- Seat depth
- 18.7 in15.9 in (40.4 cm)
- Load capacity
- 300 lb350 lb (158.8 kg)
- Arms
- 2DLeaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"
- Warranty
- 5 years12-year, 3-shift warranty, with limited exceptions
Questions
Which is cheaper, the FlexiSpot Soutien Ergonomic Office Chair (C5) or the Herman Miller Cosm High Back?
The FlexiSpot Soutien Ergonomic Office Chair (C5) is cheaper to start: $249.99 versus $1,925 for the Herman Miller Cosm High Back at the brand stores (Oct 2026).
Which has a higher weight capacity?
The Herman Miller Cosm High Back, rated for 350 lb versus 300 lb for the FlexiSpot Soutien Ergonomic Office Chair (C5).
FlexiSpot Soutien Ergonomic Office Chair (C5): specs, reviews, where to buy →Herman Miller Cosm High Back: specs, reviews, where to buy →
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