ChairAtlas

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.

HM

Herman Miller

Aeron

Brand

Herman Miller

Model

Aeron

Era produced

1994–Present (Remastered 2016)

Discontinued

No

MSRP (new)

$1,795

Avg refurbished

$850

Avg used

$450

Height range

4'8"–6'7"

Weight capacity

350 lbs

Seat width

20.25"

Seat depth

17"

Backrest height

23"

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

H

Haworth

Fern

Brand

Haworth

Model

Fern

Era produced

2019–Present

Discontinued

No

MSRP (new)

$1,499

Avg refurbished

$780

Avg used

$500

Height range

5'0"–6'4"

Weight capacity

350 lbs

Seat width

19.9"

Seat depth

18.5"

Backrest height

24"

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

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.
Herman Miller Aeron spec sheetHaworth Fern spec sheetOpen custom comparison