Comparison
Aeron vs Fern
Herman Miller vs Haworth — full spec comparison
Bottom line
Aeron is the sized-mesh classic with three sizes; Fern is a modern Wave Suspension mesh chair with 350/325 lb warranty tiers depending on forward tilt.
Comparing 2 chairs across key specs.
Brand
Herman Miller
Model
Aeron
Era produced
1994–Present (Remastered 2016)
Discontinued
No
MSRP (new)
$2,150
Avg refurbished
$850
Avg used
$450
Height range
142–201 cm
Weight capacity
159 kg
Seat width
51 cm
Seat depth
43 cm
Backrest height
58 cm
Seat material
Full Mesh
Armrests
4D Articulating
Forward tilt
Yes
Lumbar
Asymmetrical
Headrest
Aftermarket Only
Cylinder
Top-activated pneumatic (height range varies by size/cylinder)
Caster stem
11mm × 22mm standard
Frame
Die-cast aluminum + glass-reinforced nylon
Tilt / lock
Harmonic 2 tilt; tilt limiter / forward seat-angle options
Arm adjustability
Fully adjustable (height, width, depth, pivot) on common configs
Brand
Haworth
Model
Fern
Era produced
2019–Present
Discontinued
No
MSRP (new)
$1,499
Avg refurbished
$780
Avg used
$500
Height range
152–193 cm
Weight capacity
159 kg
Seat width
51 cm
Seat depth
47 cm
Backrest height
61 cm
Seat material
Full Mesh
Armrests
4D Articulating
Forward tilt
Yes
Lumbar
Height-Adjustable Pad
Headrest
Factory
Cylinder
Top-activated pneumatic (16.5"–21.5" seat height)
Caster stem
11mm × 22mm standard
Frame
Stem-based polymer structure + Wave Suspension
Tilt / lock
Synchronized 3-point tilt; 5-position back stop; optional 5° forward tilt
Arm adjustability
4D, height-adjustable, fixed, or armless
| Spec | Herman MillerAeron | HaworthFern |
|---|---|---|
| Brand | Herman Miller | Haworth |
| Model | Aeron | Fern |
| Era produced | 1994–Present (Remastered 2016) | 2019–Present |
| Discontinued | No | No |
| MSRP (new) | $2,150 | $1,499 |
| Avg refurbished | $850 | $780 |
| Avg used | $450 | $500 |
| Height range | 142–201 cm | 152–193 cm |
| Weight capacity | 159 kg | 159 kg |
| Seat width | 51 cm | 51 cm |
| Seat depth | 43 cm | 47 cm |
| Backrest height | 58 cm | 61 cm |
| Seat material | Full Mesh | Full Mesh |
| Armrests | 4D Articulating | 4D Articulating |
| Forward tilt | Yes | Yes |
| Lumbar | Asymmetrical | Height-Adjustable Pad |
| Headrest | Aftermarket Only | Factory |
| Cylinder | Top-activated pneumatic (height range varies by size/cylinder) | Top-activated pneumatic (16.5"–21.5" seat height) |
| Caster stem | 11mm × 22mm standard | 11mm × 22mm standard |
| Frame | Die-cast aluminum + glass-reinforced nylon | Stem-based polymer structure + Wave Suspension |
| Tilt / lock | Harmonic 2 tilt; tilt limiter / forward seat-angle options | Synchronized 3-point tilt; 5-position back stop; optional 5° forward tilt |
| Arm adjustability | Fully adjustable (height, width, depth, pivot) on common configs | 4D, height-adjustable, fixed, or armless |
| Buy |
FAQ
- Does Fern come in sizes like Aeron?
- No. Fern is a single size with seat-depth and height adjustment; Aeron uses discrete A/B/C frames.