The QuietlyGuide collection
Compare three chairs by seat fit, adjustment options and purchase considerations.
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Worth knowing Headrest is optional
Manufacturer sources; no hands-on testing.
View options at Branch Read the detailsWorth knowing Seat-height range needs seller confirmation
Manufacturer sources; no hands-on testing.
View options at Sihoo Read the detailsWorth knowing Configuration changes the final price
Manufacturer sources; no hands-on testing.
View options at Steelcase Read the detailsThe details, together
Compare the exact cylinder, back, arm and headrest configuration. Adjustment counts are manufacturer descriptions, not comfort scores. We have not assessed these chairs in person.
Comparing all 3 products. “Not listed” means the guide does not provide that specification.
Scroll across to compare products
| What matters to you | BranchErgonomic Chair Pro — standard cylinder | SihooDoro C300 — footrest version | SteelcaseSeries 1 — 3D Microknit, 4D arms |
|---|---|---|---|
| Who it suits | Several ways to adjust the fit | A mesh seat with a footrest | A configurable task chair |
| A useful strength | Adjustable seat depth | Mesh seat and back | Seat-depth adjustment |
| A trade-off to consider | Headrest is optional | Seat-height range needs seller confirmation | Configuration changes the final price |
| Specifications | |||
| Seat height | 17–19.9 in; standard cylinder | Confirm exact package range | 16.5–21.5 in; standard cylinder |
| Seat depth | 16.7–19.7 in | 18.11 in; maker listing | 2.25 in of adjustment |
| Seat / back | Foam seat / mesh back | Mesh / mesh | Upholstered seat / 3D Microknit |
| Arms | 5D; manufacturer description | 4D; manufacturer description | Height, width, pivot and depth |
| Headrest | Optional | Included in listed package | Optional |
| Evidence and availability | |||
| Evidence | 2 linked sources; limitations noted below | 1 linked sources; limitations noted below | 2 linked sources; limitations noted below |
| Customer opinion | None yet | None yet | None yet |
| Can you still buy it | Listed by maker, checked 4 October 2026 | Listed by maker, checked 4 October 2026 | Listed by maker, checked 4 October 2026 |
Specifications come from the sources listed under each product. Check the retailer for the exact model, package and current details.
Checked 4 October 2026 against manufacturer US listing. Confirm the named configuration, delivery and current price before ordering.
About the evidence: Manufacturer specifications and documentation; we have not tested comfort, reliability or comparative performance.
Consider the mesh-back, foam-seat configuration if you want adjustable seat depth and lumbar position. Check its standard-cylinder height first.
Branch documents adjustable lumbar height and depth, seat depth and multi-direction arms. A taller cylinder is a separate option.
Sources: Manufacturer — product and configuration · Chair Pro specification sheet
| Seat height | 17–19.9 in; standard cylinder |
|---|---|
| Seat depth | 16.7–19.7 in |
| Seat / back | Foam seat / mesh back |
| Arms | 5D; manufacturer description |
| Headrest | Optional |
Source: https://www.branchfurniture.com/products/ergonomic-chair-pro
Follow care instructions for the selected upholstery. Confirm replacement parts with Branch and keep packaging while deciding on fit.
Sources: Manufacturer — product and configuration · Chair Pro specification sheet
Parts research checked 4 October 2026. Stock and package contents can change.
We have not added customer-review summaries or recorded price history for this product. The summary above is based on the linked sources. Visit the retailer for current prices and customer reviews.
Checked 4 October 2026 against manufacturer US listing. Confirm the named configuration, delivery and current price before ordering.
About the evidence: Manufacturer specifications and documentation; we have not tested comfort, reliability or comparative performance.
Consider this exact C300 package if you prefer a mesh seat and want an integrated footrest. Confirm seat-height fit before ordering.
The US listing describes a mesh seat and back, adaptive lumbar support and 4D arms. Its published back-lift dimension is not a seat-height range.
Sources: Manufacturer — product and configuration
| Seat height | Confirm exact package range |
|---|---|
| Seat depth | 18.11 in; maker listing |
| Seat / back | Mesh / mesh |
| Arms | 4D; manufacturer description |
| Headrest | Included in listed package |
Source: https://www.sihoo.com/products/sihoo-c300-ergonomic-office-chair-footrest-version
Request the correct C300 footrest-version manual before assembly; the linked download checked did not match this model. Confirm mesh care, replacement components and return shipping with the seller.
Sources: Manufacturer — product and configuration
Parts research checked 4 October 2026. Stock and package contents can change.
We have not added customer-review summaries or recorded price history for this product. The summary above is based on the linked sources. Visit the retailer for current prices and customer reviews.
Checked 4 October 2026 against manufacturer US listing. Confirm the named configuration, delivery and current price before ordering.
About the evidence: Manufacturer specifications and documentation; we have not tested comfort, reliability or comparative performance.
Consider the standard-height work chair if you want adjustable depth and a weight-activated recline. Match the arms and casters to your setup.
Steelcase documents standard, short and tall cylinders. This comparison uses the standard work-chair range and 3D Microknit back, not the stool or Air Back version.
Sources: Manufacturer — product and configuration · Series 1 specification guide
| Seat height | 16.5–21.5 in; standard cylinder |
|---|---|
| Seat depth | 2.25 in of adjustment |
| Seat / back | Upholstered seat / 3D Microknit |
| Arms | Height, width, pivot and depth |
| Headrest | Optional |
Source: https://www.steelcase.com/products/office-chairs/steelcase-series-1/
Retain the configuration and order number when requesting parts. Use the selected fabric’s cleaning directions and confirm caster compatibility before replacement.
Sources: Manufacturer — product and configuration · Series 1 specification guide
Parts research checked 4 October 2026. Stock and package contents can change.
We have not added customer-review summaries or recorded price history for this product. The summary above is based on the linked sources. Visit the retailer for current prices and customer reviews.
Prices change constantly; check the shop before buying. Summaries are written in our own words from the sources linked on each product. We do not test products in a lab.
