Comfort & Ergonomics
| Comfort & Ergonomics |
Herman Miller Aeron |
Herman Miller Mirra 2 |
| Custom Fit |
Choose the right size (small, medium, or large) |
One size fits all, molds to fit your shape |
| Seat Adjustability |
Fixed seat depth, need to choose the right size |
Adjustable seat depth and height |
| Seat Material |
8Z Pellicle polymer mesh, light, airy, and soft to touch, with upward bending side bolsters |
Rigid mesh seat that adapts well to the sitter’s movement |
| Comfort |
Some users feel like floating in the air on the Aeron’s seat, but side bolsters may cause issues for certain users |
Mirra 2’s seat feels slightly more rigid but adapts well to the sitter’s movement |
| Lumbar Support |
Adjustable PostureFit SL (recommended for superior lumbar support) |
Adjustable lumbar support (good for back protection) |
| Breathability |
Mesh back for air circulation |
Mesh back for air circulation, Aeron’s back is slightly softer |
| Seat Feel |
Slightly softer |
|
| Back Feel |
Slightly softer |
|
Both chairs offer excellent ergonomics and posture support. Aeron wins by a slight margin, especially with the advanced PostureFit SL configuration.
Configuration Options
| Configuration Options |
Herman Miller Aeron |
Herman Miller Mirra 2 |
| Color Options |
Limited (black, graphite, grey) |
Wide variety (including orange, turquoise) |
| Chair Size |
Available in small, medium, large |
One size fits all |
| Base and Frame Options |
Choice of materials |
Material choice for frame only |
| Back Material Options |
8Z Pellicle polymer mesh |
TriFlex Polymer or Butterfly Suspension backrest |
| Back Support Options |
Basic, adjustable PostureFit SL, or vertically adjustable lumbar support |
Basic or adjustable lumbar support |
| Armrest Options |
Basic, height-adjustable, or 3D |
Basic or 4D (inward/outward width adjustment) |
| Seat Adjustability |
Fixed seat depth based on size |
Adjustable seat depth and height |
| Breathability |
Mesh back for air circulation |
Mesh back for air circulation, slightly softer feel |
| Comfort & Ergonomics |
Superior with advanced PostureFit SL configuration |
Highly ergonomic and supportive design |
Aeron offers size options and multiple back supports, but limited colors. Mirra 2 offers two back material options and 4D armrests, but no size options.
Other Comparison Points
| Comparison Points |
Herman Miller Aeron |
Herman Miller Mirra 2 |
| Target Audience |
Suited for board rooms or C-level offices |
Aimed at people with a more casual work environment, including creatives |
| Iconic Status |
Highly iconic and renowned |
Less iconic, possibly overshadowed by Aeron’s reputation |
| Design |
Conservative and functional-looking |
Younger and more casual feel |
|
Elder model, honed to perfection since early 1990s |
Released in 2003 as a more affordable chair with adaptable design |
Shared Features
| Shared Features |
|
| Materials |
Aluminum base, breathable elastomeric and polyester mesh back |
| Eco-Credentials |
Use of recycled materials |
| Weight Capacity |
Maximum 159kg/350lbs |
| Warranty |
12-year extended warranty |
| Build Quality |
Fantastic quality and well-built |
| Breathability |
Mesh backs for cool and airy feel |
| Basic Features |
Seat height adjustment, standard tilt |
| Tilt Functions |
Tilt tension and limiter functions |
| Armrests |
Offer basic configuration |
| Comfort & Ergonomics |
Designed for posture support and ergonomics |