Herman Miller
Aeron
Herman Miller · 1994–Present (Remastered 2016)
Aeron
The classic full-mesh task chair, sold in three sizes (A, B, and C), with PostureFit SL support and widely available replacement parts.
Where to buy
Typical prices — new ~$1,795, refurbished ~$850, used ~$450.
Fit calculator
Optional body inputs to gauge whether this chair’s published height range and weight capacity cover you.
Likely fit — height within published range and weight under 350 lb capacity.
Spec sheet
- Typical configuration
- Remastered Size B, fully adjustable arms, PostureFit SL
- Era produced
- 1994–Present (Remastered 2016)
- Discontinued
- No
- Approx. MSRP (new)
- $1,795
- Typical refurbished price
- $850
- Typical used price
- $450
- Height range
- 4'8" – 6'7"
- Weight capacity
- 350 lbs — Varies by size: A 300 lb · B 350 lb · C 400 lb.
- Seat width
- 20.25"
- Seat depth
- 17"
- Backrest height
- 23"
- Seat material
- Full Mesh
- Armrest type
- 4D Articulating
- Arm adjustability
- Fully adjustable (height, width, depth, pivot) on common configs
- 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
Revision matrix & serial tag guide
Serial tag location: Underside of the seat pan near the front edge / lumbar housing. Size letter (A/B/C) is also molded under the seat on many units.
| Year | Version | Changes |
|---|---|---|
| 1994 | Classic | Original Pellicle mesh, Kinemat tilt, optional lumbar; sizes A/B/C; capacity up to ~300 lb. |
| 2016 | Remastered | 8Z Pellicle, PostureFit SL, Harmonic 2 tilt, updated arms; expanded height/weight envelope. |
Aftermarket & replacement parts
Compatible cylinder type: Top-activated pneumatic (height range varies by size/cylinder). Caster stem: 11mm × 22mm standard. Headrest availability: Aftermarket Only.
Size / config variants
| Variant | Capacity | Seat depth | Seat height |
|---|---|---|---|
| Size A | 300 lb | 16.4" | 14.4"–19.3" |
| Size B | 350 lb | 17" | 14.8"–22.8" |
| Size C | 400 lb | 18.9" | 15.8"–22.8" |
Spec notes
- Herman Miller Remastered fit guidance across sizes A/B/C (Classic was ~4'10"–6'6").
- Listed capacity uses Size B (the most common). Check A/B/C for your size.
- Seat width is approximate for Size B; overall chair width varies with arm options.
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