Specs

A close up of a Graphite gray Cosm Chair with fixed arms on a gray background.

Dimensions

Three-quarter front view line art of a Cosm low-back chair.

Low-Back Cosm Chair

Height: 34–40.6"
Width: 26.7–29.3"
Depth: 26.7"
Seat Height: 14.8–21.4"
Seat Depth: 15.9"
Seat Width: 20.5"
Arm Height: 7.3–11.7"

Three-quarter front view line art of a Cosm mid-back chair.

Mid-Back Cosm Chair

Height: 38.9–45.5"
Width: 26.7–29.3"
Depth: 26.7"
Seat Height: 14.8–21.4"
Seat Depth: 15.9"
Seat Width: 20.5"
Arm Height: 7.3–11.7"

Three-quarter front view line art of a Cosm high-back chair.

High-Back Cosm Chair

Height: 45–51.6"
Width: 26.7–29.3"
Depth: 26.7"
Seat Height: 14.8–21.4"
Seat Depth: 15.9"
Seat Width: 20.5"
Arm Height: 7.3–11.7"

For a full listing of precise product dimensions and details, consult the price book.

Materials

Canyon Suspension

Seat and back

Canyon Finish

Frame, arms, and base

Glacier Suspension

Seat and back

Glacier Finish

Frame, arms, and base

Nightfall Suspension

Seat and back

Nightfall Finish

Frame, arms, and base

Carbon Suspension

Seat and back

Carbon Finish

Frame, arms, and base

Graphite Suspension

Seat and back

Graphite Finish

Frame, arms, and base

Mineral Suspension

Seat and back

Mineral Finish

Frame, arms, and base

Studio White

Frame and Arms

Semi-Polished Alloy Finish

Frame, arms, and base

Silver Alloy Finish

Chassis

Features

Side view of a light blue high-back Cosm Chair.

Auto-Harmonic Tilt

The tilt instantly and automatically provides balanced support and movement, depending on your body and posture.

Front view of the top of a red low-back Cosm Chair.

Intercept Suspension

Breathable and temperature-neutral, the continuous form of this elastomeric suspension eliminates the gap between the seat and back, conforming to each person’s body to provide dynamic spinal support.

Back view of a graphite mid-back Cosm Chair.

Flexible Frame

The thin but strong frame feels nearly nonexistent and offers support while flexing so you can comfortably move your upper body.

Front view of a navy mid-back Cosm Chair.

Leaf Arms

To offer as much comfort and ease as possible, Studio 7.5 created Cosm’s Leaf Arms, which feature a soft but firm cradle design that provides a large, cozy resting place for your elbows.

A grouping of Nightfall navy blue, Canyon red, and Glacier light blue Cosm Chairs.

Dipped-in-Color

Cosm is available in one hue from top to bottom to further cement the unity of the design and the sculptural quality of the chair.

Options

Three quarter front view of a Cosm low-back chair with fixed arms and Graphite gray frame and suspension material.

Low-Back

Three quarter front view of a Cosm mid-back chair with height-adjustable arms and Graphite gray frame and suspension material.

Mid-Back

Three quarter front view of a Cosm high-back chair with fixed arms and Graphite gray frame and suspension material.

High-Back

A mid-back Cosm Chair with Leaf Arms and Glacier light blue frame and suspension material.

Leaf Arms

A low-back Cosm Chair with height-adjustable arms and Studio White frame and Mineral suspension material.

Height-Adjustable Arms

A high-back Cosm Chair with fixed arms and Nightfall dark blue frame and suspension material.

Fixed Arms

A low-back Cosm Chair with no arms and a Canyon red frame and suspension material.

No Arms

Chair Adjustments

Adjusting Cosm

How to tune and use your Cosm Chair for maximum comfort and support.

Chair Adjustments  |  0:47

Adjusting Cosm

Tune and use your chair for maximum support

MicrobeCare

Consider additional protection on select products from odor- and stain-causing mold, mildew, algae, and bacteria.

Learn more

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Sustainability

We’re committed to sustainability in everything we do: the materials we use, our manufacturing processes, and our products’ recyclability.

Track our progress

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Warranty

We stand behind the quality and performance of our products with a 12-year, 3-shift warranty, with limited exceptions.

Learn more

Find a Dealer

Locate a Herman Miller dealer near you from our global network.

Find a Dealer

Email a rep

Get in touch with an A+D representative in your area.

Email a representative

Find a showroom

Schedule an appointment at one of our showrooms around the globe.

Find a showroom

Get help

Have a question? Call a specialist or send us an email.

Get in touch