SIHOO
SIHOO Doro S300
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 based8.6/10 · overall score
Technical specs
Ergonomics and adjustments
| Lumbar support | Dynamic self-adjusting |
|---|---|
| Armrests | 4D |
| Adjustable seat depth | Yes |
| Max recline | 135° |
| Mechanism | Manufacturer-listed recline mechanism |
Build and materials
| Backrest | Mesh |
|---|---|
| Base | aluminum |
| BIFMA certification | Yes |
| Maximum supported weight | 150 kg |
| Product weight | 26 kg |
Dimensions and warranty
| Width | 77 cm |
|---|---|
| Depth | 76 cm |
| Warranty | 3 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
- sihoo.comofficial source · checked 2026-06-20
- sihoooffice.comofficial source · checked 2026-06-20
- gbatemp.netreview · checked 2026-06-20
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.