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SIHOO

Buying advice · Comparison · Ratings & Reviews

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Learn before you buy

Choose an office chair for your body and desk

Compare the measurements and adjustment controls that matter in a real workspace.

✓Compare seat height and depth with your own measurements and desk.

✓Check whether armrests can sit comfortably relative to the work surface.

✓Read the exact version, delivery exclusions and current return conditions before ordering.

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After you choose

A little extra, once you’ve chosen.

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Start with the right fit. Then check whether the store has a useful offer.

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Comparison

A feature comparison, not a comfort score

Use these differences to decide which specifications to inspect more closely. Current model and regional versions must match.

ComparisonSIHOO Doro C300SIHOO M57SIHOO Doro S300
Lumbar approachAdaptive designManual vertical/horizontal adjustmentDual lumbar pads
Listed armrest system4D3D6D
Fit questionDoes the exact version fit your desk and sitting position?Can the manual support be set where you need it?Do the additional ranges address a specific need?
SIHOO

Selected products

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Selected products for research. Prices and availability are confirmed by the merchant.

SIHOO Doro C300

SIHOO Doro C300

USD 279.99
View details +

A mesh office chair with adaptive lumbar support and adjustable arms. The current product page describes 4D armrests; check the exact version offered.

Comparing an adaptive-support chair for a desk setup.

Armrests
4D adjustable, as listed on the current page
Back support
Adaptive lumbar design
Version check
Standard and footrest choices are listed

Comfort and fit depend on the user and workspace; the listing is not a treatment claim.

Price checked · 2026-11-03 00:00 UTC · US · Black / Standard Version

SIHOO Doro C300 Pro V2 Ergonomic Office Chair

SIHOO Doro C300 Pro V2 Ergonomic Office Chair

Check current price at the store

View details +

Explore this SIHOO product in the official catalogue.

Compare the exact configuration and current purchase terms.

Selected configuration
Black / Standard Version

Check the chair dimensions, adjustment ranges and return terms against your workspace.

SIHOO Doro S300

SIHOO Doro S300

USD 599.99
View details +

A chair with dual lumbar pads, an adjustable backrest and a broader armrest adjustment system. Compare the actual fit range before paying for additional controls.

Investigating more adjustment options for varied desk tasks.

Armrests
6D adjustable
Backrest
Five-level height adjustment
Seat depth
17.13–18.11 inches, according to the product specifications

The brand’s “anti-gravity” name is a mechanism label, not proof of a medical or comfort outcome.

Price checked · 2026-11-03 00:00 UTC · US · Black

SIHOO M18 Ergonomic Office Chair

SIHOO M18 Ergonomic Office Chair

Check current price at the store

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Explore this SIHOO product in the official catalogue.

Compare the exact configuration and current purchase terms.

Selected configuration
Black

Check the chair dimensions, adjustment ranges and return terms against your workspace.

SIHOO M57

SIHOO M57

USD 239.99
View details +

A mesh chair with manually adjustable lumbar support. Consider whether you prefer to set the support position yourself.

A shortlist for people comparing manual adjustability and a mesh seat.

Armrests
3D adjustable
Lumbar adjustment
Vertical and horizontal adjustment
Seat and back
Mesh

Measure the seat and desk relationship before purchase; specifications alone do not prove comfort.

Price checked · 2026-11-03 00:00 UTC · US · Black

SIHOO B100 Ergonomic Office Chair

SIHOO B100 Ergonomic Office Chair

Check current price at the store

View details +

Explore this SIHOO product in the official catalogue.

Compare the exact configuration and current purchase terms.

Selected configuration
White / Mesh Seat / Standard Version

Check the chair dimensions, adjustment ranges and return terms against your workspace.

SIHOO B100 Pro Ergonomic Office Chair

SIHOO B100 Pro Ergonomic Office Chair

Check current price at the store

View details +

Explore this SIHOO product in the official catalogue.

Compare the exact configuration and current purchase terms.

Selected configuration
Black / Footrest Version

Check the chair dimensions, adjustment ranges and return terms against your workspace.

SIHOO B300 Pro Ergonomic Office Chair

SIHOO B300 Pro Ergonomic Office Chair

Check current price at the store

View details +

Explore this SIHOO product in the official catalogue.

Compare the exact configuration and current purchase terms.

Selected configuration
Black / Standard Version

Check the chair dimensions, adjustment ranges and return terms against your workspace.

SIHOO Doro S100 Ergonomic Office Chair

SIHOO Doro S100 Ergonomic Office Chair

Check current price at the store

View details +

Explore this SIHOO product in the official catalogue.

Compare the exact configuration and current purchase terms.

Selected configuration
Black

Check the chair dimensions, adjustment ranges and return terms against your workspace.

SIHOO M102C Pro Ergonomic Office Chair

SIHOO M102C Pro Ergonomic Office Chair

Check current price at the store

View details +

Explore this SIHOO product in the official catalogue.

Compare the exact configuration and current purchase terms.

Selected configuration
Black

Check the chair dimensions, adjustment ranges and return terms against your workspace.

See more at the store ↗

Price applies to the stated region and variant. Confirm the final total at checkout. Product images are illustrative of the model. Bundle contents vary by offer.

Learn before you buy

Frequently asked questions

Are more adjustable features always better?+

Only if their range and operation suit you. Start with the dimensions and the adjustments you will use; a higher feature count does not establish a better fit.

Does SIHOO deliver everywhere?+

The selected store’s policy covers continental US and eligible Canadian addresses, with explicit exclusions. Other markets need separately verified regional merchants.

Will an ergonomic chair solve back pain?+

This page does not make that claim. It compares product features and fit considerations, not medical outcomes. Persistent pain needs appropriate professional advice.

Ratings & Reviews

There are no published customer reviews yet.