SIHOO SIHOO Doro S300 product image

SIHOO

SIHOO Doro S300

$$ 8.6/10 Verified 2026-06-25

Ideal for: Tall people wanting zero-gravity-style recline and 6D armrests

The Doro a tall person who sits for many hours and wants to recline fully would choose.

Search on Amazonfor SIHOO Doro S300 (opens in a new tab)

Buying summary

Best useAnyone 1.70-1.90 m wanting a high backrest, dual lumbar and 6D armrests.

Avoid ifYour budget is for an entry-level chair or you're petite and short.

Direct alternativeSIHOO Doro C300 if you don't need the extra-high backrest or the 6D armrests.

Verified capacitySupports up to 150 kg

Warranty3-year warranty listed in verified specs

How this product is assessed

  • Scores are based on verified specifications, category fit and editorial weighting for remote-work use.
  • Product pages avoid unverified price claims; always check current price and availability before buying.
  • English product profiles use structured verified data unless a fully edited product review is available.

Category scores

editorial · specs based

8.6/10 · overall score

Ergonomics 9.0
Adjustability 9.0
Materials 8.5
Comfort 8.5
Value 8.0
Verdict. The Doro S300 is the large, most adjustable version of the Doro family: a high backrest adjustable across five levels, a dual dynamic lumbar and 6D armrests that few chairs at its price offer. Designed for users up to 1.90 m, its smooth recline mechanism gets close to a zero-gravity feel without jumping to the premium tier. The catch, as with almost the whole family, is that it doesn't hide a low price.

Technical specs

Ergonomics and adjustments

Lumbar supportDynamic self-adjusting
Armrests4D
Adjustable seat depthYes
Max recline135°
MechanismManufacturer-listed recline mechanism

Build and materials

BackrestMesh
Basealuminum
BIFMA certificationYes
Maximum supported weight150 kg
Product weight26 kg

Dimensions and warranty

Width77 cm
Depth76 cm
Warranty3 years

What the community says

Specialist reviews place it among the most solid options for tall users below the premium tier, highlighting the smooth recline and the 6D armrests. The consensus repeats two warnings: it's quite heavy and its price puts it away from the cheap chairs it's sometimes compared with.

Good fit

  • People 1.70-1.90 m who need a genuinely high backrest
  • Anyone wanting to recline fully with a weightless feel
  • Users who value 6D armrests and a dual dynamic lumbar

Not ideal for

  • An entry-level chair budget
  • Petite or short-build people
  • Anyone wanting the lightest possible chair to assemble alone

Strengths

  • Dual dynamic lumbar support with adjustable angle
  • Coordinated 6D armrests
  • High backrest adjustable across five levels for the neck
  • Aluminium frame and base
  • Supports up to 150 kg

Weaknesses

  • Price within the mid-to-high range
  • Heavy overall

Verified sources

Data source: verified product specs · checked 2026-06-25. Editorial scores are based on specs and category fit. "n/a" means no verified data; check the manufacturer or retailer page before buying.