HM
Herman Miller
Mirra 2
Herman Miller · 2013–Present
Mirra 2
Agile HM workhorse—Butterfly or TriFlex back with strong refurb availability.
350 lb capacity5'0"–6'2"Elastomer4D Articulating
Where to buy
Typical prices — new ~$1,295, refurbished ~$550, used ~$320.
Fit calculator
Optional body inputs to gauge whether this chair’s published height range and weight capacity cover you.
5'0"Chair height envelope6'2"
Likely fit — height within published range and weight under 350 lb capacity.
Spec sheet
- Typical configuration
- Butterfly Back, adjustable seat depth, fully adjustable 4D arms
- Era produced
- 2013–Present
- Discontinued
- No
- Approx. MSRP (new)
- $1,295
- Typical refurbished price
- $550
- Typical used price
- $320
- Height range
- 5'0" – 6'2"
- Weight capacity
- 350 lbs
- Seat width
- 19.5"
- Seat depth
- 16.25"–18"
- Backrest height
- 22"
- Seat material
- Elastomer
- Armrest type
- 4D Articulating
- Arm adjustability
- Fully adjustable 4D arms on common configs
- Forward tilt
- Yes
- Lumbar
- Height-Adjustable Pad
- Headrest
- None
- Cylinder
- Top-activated pneumatic (low / standard / extended)
- Caster stem
- 11mm × 22mm standard
- Frame
- Polymer + AireWeave seat suspension
- Tilt / lock
- Harmonic 2; tilt limiter / seat-angle options
Revision matrix & serial tag guide
Serial tag location: Underside of seat; Butterfly Back vs TriFlex Back is the fastest visual ID.
| Year | Version | Changes |
|---|---|---|
| 2003 | Mirra (Gen 1) | Original AireWeave / Loop arms generation. |
| 2013 | Mirra 2 | Harmonic 2 tilt, Butterfly or TriFlex back, PostureFit standard, optional lumbar. |
Aftermarket & replacement parts
Compatible cylinder type: Top-activated pneumatic (low / standard / extended). Caster stem: 11mm × 22mm standard. Headrest availability: None.
Size / config variants
| Variant | Capacity | Seat depth | Seat height |
|---|---|---|---|
| Fixed seat depth | — | 16.25" | — |
| Adjustable seat depth | — | 16.25"–18" | — |
Spec notes
- Product sheet: 5th–95th percentile population range.
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