FlexiSpot Soutien Ergonomic Office Chair (C5) vs Herman Miller Zeph

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

VS
Herman Miller Zeph

Herman Miller

Herman Miller Zeph

$560 – $715

7 years

longer warranty on Herman Miller Zeph than FlexiSpot Soutien Ergonomic Office Chair (C5) (official terms)

Differences at a glance

FlexiSpot Soutien Ergonomic Office Chair (C5)Herman Miller Zeph
Price
$249.99 – $279.99$560 – $715
Seat height
17.9–20.9 in14.75–20.25 in
Seat depth
18.7 in17 in
Load capacity
300 lb350 lb
Warranty
5 years12 years

Questions

Which is cheaper, the FlexiSpot Soutien Ergonomic Office Chair (C5) or the Herman Miller Zeph?

The FlexiSpot Soutien Ergonomic Office Chair (C5) is cheaper to start: $249.99 versus $560 for the Herman Miller Zeph at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Herman Miller Zeph, rated for 350 lb versus 300 lb for the FlexiSpot Soutien Ergonomic Office Chair (C5).

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