ChairAtlas
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.

YearVersionChanges
2003Mirra (Gen 1)Original AireWeave / Loop arms generation.
2013Mirra 2Harmonic 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

VariantCapacitySeat depthSeat height
Fixed seat depth16.25"
Adjustable seat depth16.25"–18"

Spec notes

  • Product sheet: 5th–95th percentile population range.

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