SIHOO Doro S300 vs Herman Miller Cosm Mid Back
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
9 years
longer warranty on Herman Miller Cosm Mid Back than SIHOO Doro S300 (official terms)
Differences at a glance
Sources
- Doro S300 Ergonomic Chair – UK Sihoo official Shop ↗Checked Sep 29, 2026
- Cosm Mid-Back Chair - Herman Miller Store ↗Checked Oct 17, 2026
- Sihoo Doro S300 Zero Gravity Ergonomic Office Chair – Official US Sihoo Store ↗Checked Sep 29, 2026
SIHOO Doro S300Herman Miller Cosm Mid Back
- Price
- $999.99$2,030
- Seat height
- 47 – 55.5 cm (18.50 – 21.85 in)14.875–21 in
- Seat depth
- 40 – 47 cm (15.75 – 18.50 in)15.5 in
- Load capacity
- 330 lb (≈ 150 kg)350 lb
- Warranty
- 3 years12 years
Questions
Which is cheaper, the SIHOO Doro S300 or the Herman Miller Cosm Mid Back?
The SIHOO Doro S300 is cheaper to start: $999.99 versus $2,030 for the Herman Miller Cosm Mid Back at the brand stores (Oct 2026).
Which has a higher weight capacity?
The Herman Miller Cosm Mid Back, rated for 350 lb versus 330 lb for the SIHOO Doro S300.
SIHOO Doro S300: specs, reviews, where to buy →Herman Miller Cosm Mid Back: specs, reviews, where to buy →
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