SIHOO
SIHOO Doro C300 Ergonomic Office Chair with Ultra Soft 3D Armrests, Dynamic Lumbar Support for Home Office Chair, Adjustable Backrest Desk Chair, Swivel Big and Tall Computer Chair Black
Very Good
In stock on Amazon.com
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Amazon Basics
Amazon Basics Breathable Mesh Mid-Back Office Desk Chair with Armrests, Lumbar Support, 360-Degree Swivel, Adjustable-Height, Black
Basic
- Mesh back
$81.51
In stock on Amazon.com
Check PriceSpecs verified October 2026
Amazon.com data updated October 13, 2026, 2:34 pm ET. Price and availability are accurate as of the time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply.
Ergo Score Breakdown
Ergo Score: 24/100
Adjustability 1/40
Armrests1/10fixed armrests: 1/10
Seat height0/6Not listed by the seller
Seat depth0/5Not listed by the seller
Lumbar adjustment0/7Not listed by the seller
Recline0/2Not listed by the seller
Tilt lock0/3Not listed by the seller
Tilt tension0/3Not listed by the seller
Advanced tilt0/4Not listed by the seller
Support 12/30
Lumbar support8/12lumbar support: 8/12
Upper back support0/4Not listed by the seller
Headrest adjustment0/2Not listed by the seller
Cushion0/5Not listed by the seller
Seat edge0/3Not listed by the seller
Breathable back4/4mesh back: 4/4
Build 11/30
Warranty0/9Not listed by the seller
Weight capacity4/6275 lb capacity: 4/6
Certifications4/5BIFMA: 4/5
Base0/3Not listed by the seller
Gas lift0/2Not listed by the seller
Owner rating3/54.3 stars from 16754 reviews: 3/5
Comfort Index
Comfort Index: 28/100
Seat cushionNot listed by the seller
Cushion thicknessNot listed by the seller
ReclineNot listed by the seller
Breathable back15/15
HeadrestNot listed by the seller
Armrests0/10
Owner rating13/25
Specifications
| Seat height range | Not listed by the seller |
|---|---|
| Seat width | Not listed by the seller |
| Seat depth | Not listed by the seller |
| Seat depth adjustable | Not listed by the seller |
| Seat cushion | Not listed by the seller |
| Cushion thickness | Not listed by the seller |
| Back material | Mesh |
| Backrest height | Not listed by the seller |
| Backrest width | Not listed by the seller |
| Armrests | Fixed (from Amazon listing) |
| Lumbar support | Yes (from Amazon listing) |
| Lumbar adjustments | Not listed by the seller |
| Headrest | Not listed by the seller |
| Max recline | Not listed by the seller |
| Tilt mechanism | Not listed by the seller |
| Base material | Not listed by the seller |
| Casters | Standard |
| Gas lift | Not listed by the seller |
| Weight capacity | 275 lb |
| Chair weight | Not listed by the seller |
| Overall height | 35.38 to 40.25 in |
| Warranty | Not listed by the seller |
| Certifications | BIFMA |
What We Like
- It has the fifth-largest review base among home office chairs, 16,754 reviews averaging 4.3.
- The back is mesh, which the title calls breathable.
Watch Out For
- The arms are curved, and the spec details mark them as not adjustable in height.
- The listing does not state a warranty length or a gas lift class.
At a Glance
The Amazon Basics pairs armrests, lumbar support and adjustable height, per its title, with a padded seat cushion.
Who This Chair Is For
- Buyers who want lumbar support on a mesh chair.
- Buyers who look for BIFMA on the label: the listing names it.
Who Should Look Elsewhere
- Shoppers who want to fine-tune the fit: the Adjustability sub-score is 1, tying for the thirteenth lowest among home office chairs. The arms earn 1 of 10, and seat height, seat depth, lumbar adjustment, recline and all three tilt lines score zero.
- Buyers who want a stated recline angle, since the listing does not state one.
Dual-wheel casters and a seat height range the listing never gives
The casters are dual-wheel. The listing does not state a seat height range.
Alternatives to Consider
Why consider: Has 3D armrests and a headrest, where this Amazon Basics does not state a headrest.
SIHOO
SIHOO M18 Ergonomic Office Chair, High Back Mesh Desk Chair with Adjustable Headrest & Lumbar Support, 330lbs Capacity Computer Chair with 2D Armrests & Wide Cushion, Tilt Lock, for Home Office-Black
Good
In stock on Amazon.com
Why consider: Has a 3 year warranty and a tilt lock, where this Amazon Basics does not state a warranty length.
Frequently Asked Questions
How large is the Amazon Basics chair overall?
The spec details give 26.38 inches wide and 26.26 inches deep.
How much weight is the Amazon Basics chair rated for?
275 lb is the stated rating.
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Amazon.com data updated October 13, 2026, 2:34 pm ET. Price and availability are accurate as of the time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply.