SIHOO B100 Pro 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.

SIHOO B100 Pro

SIHOO

SIHOO B100 Pro

$259.99 – $299.99

VS
Herman Miller Cosm High Back

Herman Miller

Herman Miller Cosm High Back

$1,925 – $2,400

$1,665.01

lower starting price for SIHOO B100 Pro than Herman Miller Cosm High Back at the brand stores

Differences at a glance

SIHOO B100 ProHerman Miller Cosm High Back
Price
$259.99 – $299.99$1,925 – $2,400
Load capacity
330 lb (≈ 150 kg)350 lb (158.8 kg)
Arms
Enlarged 4D flip-up armrestsLeaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"
Warranty
3 years12-year, 3-shift warranty, with limited exceptions

Questions

Which is cheaper, the SIHOO B100 Pro or the Herman Miller Cosm High Back?

The SIHOO B100 Pro is cheaper to start: $259.99 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 330 lb for the SIHOO B100 Pro.

SIHOO B100 Pro: specs, reviews, where to buy →Herman Miller Cosm High Back: specs, reviews, where to buy →

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