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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Nouhaus
Nouhaus Apertura Ergonomic Office Chair, Home Office Desk Chairs w/Adjustable Lumbar Support & Headrest, Dynamic Back Support, 3D Armrests, High Back Mesh Comfy Computer Chair for Long Hours (Black)
Good
- 3D arms
- Headrest
- 330 lb capacity
$279.99
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: 42/100
Adjustability 17/40
Armrests8/103D armrests: 8/10
Seat height4/6adjustable: 4/6
Seat depth0/5Not listed by the seller
Lumbar adjustment0/7Not listed by the seller
Recline2/2recline to 130 degrees: 2/2
Tilt lock0/3Not listed by the seller
Tilt tension3/3tilt tension: 3/3
Advanced tilt0/4Not listed by the seller
Support 14/30
Lumbar support8/12lumbar support: 8/12
Upper back support4/4headrest: 4/4
Headrest adjustment2/2headrest adjustment: 2/2
Cushion0/5Not listed by the seller
Seat edge0/3Not listed by the seller
Breathable back0/4Not listed by the seller
Build 11/30
Warranty3/93-year warranty: 3/9
Weight capacity6/6330 lb capacity: 6/6
Certifications1/5SGS: 1/5
Base0/3Not listed by the seller
Gas lift1/2Class 3 gas lift: 1/2
Owner rating0/5Not listed by the seller
Comfort Index
Comfort Index: 42/100
Seat cushionNot listed by the seller
Cushion thicknessNot listed by the seller
Recline10/15
Breathable backNot listed by the seller
Headrest10/10
Armrests10/10
Owner rating12/25
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 | Not listed by the seller |
| Backrest height | Not listed by the seller |
| Backrest width | Not listed by the seller |
| Armrests | 3D adjustable |
| Lumbar support | Yes |
| Lumbar adjustments | Not listed by the seller |
| Headrest | Yes |
| Max recline | 130 degrees (from manufacturer) |
| Tilt mechanism | Not listed by the seller |
| Base material | Not listed by the seller |
| Casters | Not listed by the seller |
| Gas lift | Class 3 (from manufacturer) |
| Weight capacity | 330 lb |
| Chair weight | 35.05 lb (from manufacturer) |
| Overall height | 45.47 to 50.2 in (from manufacturer) |
| Warranty | 3 years (from manufacturer) |
| Certifications | SGS (from manufacturer) |
What We Like
- The 3D arms adjust in height, depth and pivot, and all three adjustments are stated in the listing.
- The back reclines from 110 to 130 degrees with adjustable tilt tension, according to the manufacturer's spec sheet.
Watch Out For
- The perfect 5 rating rests on only 24 reviews, one of the smaller review counts in its category.
- Adjustable lumbar support is promised in the title, but a lumbar adjustment is not stated in the spec details, so the lumbar adjustment line scores zero.
At a Glance
3D arms, a height-adjustable headrest and adjustable tilt tension define the Apertura.
Who This Chair Is For
- Sitters who want arms they can move in three directions, with height, depth and pivot all stated.
- Buyers who want an SGS certification stated by the manufacturer.
Who Should Look Elsewhere
- Sitters who need a seat depth control should look elsewhere, as one is not stated.
- Buyers who rely on review volume should note the listing has only 24 reviews.
The Apertura's headrest and gas lift in detail
Headrest height is adjustable. The manufacturer lists the gas lift as Class 3. The title also mentions dynamic back support, which the spec details do not itemize.
Alternatives to Consider
Why consider: Names both BIFMA and SGS marks where the Apertura names SGS alone, though its recline stops at 112 degrees against 130 here.
SIHOO
SIHOO M57 Ergonomic Mesh Office Chair, High Back Home Desk Chair with 3D Armrests, Lumbar Support and Adjustable Headrest, Comfortable Computer Chair, Big & Tall Office Chair Hold 330 LBS-Black
Excellent
In stock on Amazon.com
Why consider: Has 8,093 reviews averaging 4.3 and a headrest that adjusts in angle as well as height, where the Apertura has 24 reviews and does not state a headrest angle adjustment.
Frequently Asked Questions
What is the Apertura's own weight?
35.05 lb for the whole chair.
Can the Apertura's headrest be tilted?
The listing does not state an angle adjustment for the headrest.
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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.