Knoll

Instantly likeable, the Morrison Hannah Chair welcomes the sitter with pillow-like seat and back cushions. Designed with holistic ergonomics that deliver comfort without fuss, this easy-to-love chair brings simplicity and ease to a complex world.

So much to love

A playful palette

With so many options for customization, designers can use color and contrast to play up the joyful design or monochromatic neutrals to give it an elegant edge.

Physical and visual comfort

One look at this chair and you know it’s going to be comfortable, and the power of that visual can transform the feeling of everything around it. Offering ergonomics without ego, the office chair has an easy-to-operate height adjustment that’s ideal for shared workspaces, and its rocking mechanism facilitates micromovements for a range of users.

The ultimate chameleon

With its robust materials palette—including six frame finishes, dozens of graded-in Knoll Textiles and Spinneybeck leathers, and COM—the Morrison Hannah Chair can be tailored to suit any environment.

Revolutionary and evolutionary

The contemporary revival of the Morrison Hannah Chair makes an important chapter in design history accessible once more. Designed by Andrew Morrison and Bruce Hannah in 1973, Knoll introduced the chair as “Easy to manufacture, easy to reupholster, easy to live with, and easy to love”—a friendly approach to light task seating that’s welcome in today’s hybrid work environments.

In 2024 the chair was reengineered for today’s working styles, including more comfortable and supportive foam densities and four degrees of forward tilt to accommodate fluid changes in posture. Its intuitive adjustments and holistic ergonomics deliver comfort without fuss, and an updated palette of color and material options engages a contemporary vision.

Brings joy to the workplace

The Morrison Hannah Chair has an easygoing, friendly aesthetic that complements many contract, hospitality, and residential settings. It’s a light task chair perfect for hoteling, touch-down meetings, and communal spaces—and it adds the home-like comfort that attracts today’s workers.

Designing happiness

We gathered a collection of quotes by designer, educator, and office chair philosopher Bruce Hannah—lessons for an amusing, or even bemusing, life.

Meet the designers

Bruce Hannah has made a career of mastering modern technology and materials to create efficient, practical products. “I’ve been on a personal crusade to create as much softness in the world as I can,” says the Pratt graduate and tenured professor. He believes in using as little material as possible and aims to round all the corners in the world.

Learn more about Bruce Hannah

A graduate of Pratt Institute, Andrew Morrison brought clarity and economy to everything he designed. His furniture was made with the most appropriate materials, efficiently produced, and designed to adapt as the patterns and technology of the modern office changed. This approach resulted in several award-winning collections for Knoll.  

Learn more about Andrew Morrison

Additional Info

Construction and Details

The buttons are not only structural—they hold the cushions onto the frame—they are precisely placed to suit the human body.
On the back, the buttons add shape and give the cushion fullness for lumbar support.
Seat buttons create comfortable divots for the ischial bones (“sitz bones”).
In 2024, the back pitch was optimized to provide more lumbar support, and two different foam densities were added—one in the seat and another in the back—to provide support and comfort where needed.
Frame: Aluminum

Sustainable Design

Learn more about Morrison Hannah Chair product certifications and materials at Ecomedes.

OFFICE CHAIR

Four degrees of forward tilt to accommodate fluid changes in posture.
Simple-to-operate height-adjustment lever.
A rocking mechanism facilitates easy micromovements for a range of users.
Swiveling seat.

SIDE CHAIR

Swiveling seat.
Seat is not adjustable.

Dimensions

w d h seat h arm h from floor

Morrison Hannah Armchair with 5 Star Base 23.6" 24.5" 31.1 - 35" 16.3 - 20.1" 24.1 - 28"
w d h seat h

Morrison Hannah Armless Chair with 5 Star Base 21.7" 24.5" 31.1 - 35" 16.3 - 20.1"
w d h seat h arm h from floor

Morrison Hannah Armchair with 4 Star Base 23.6" 24.5" 32.5" 17.2" 25.2"
w d h seat h

Morrison Hannah Armless Chair with 4 Star Base 21.7" 24.5" 32.5" 17.2"

	w	d	h	seat h	arm h from floor
Morrison Hannah Armchair with 5 Star Base	23.6"	24.5"	31.1 - 35"	16.3 - 20.1"	24.1 - 28"

	w	d	h	seat h
Morrison Hannah Armless Chair with 5 Star Base	21.7"	24.5"	31.1 - 35"	16.3 - 20.1"

	w	d	h	seat h	arm h from floor
Morrison Hannah Armchair with 4 Star Base	23.6"	24.5"	32.5"	17.2"	25.2"

	w	d	h	seat h
Morrison Hannah Armless Chair with 4 Star Base	21.7"	24.5"	32.5"	17.2"

Demi-polished has a quieter appearance than a highly reflective, fully polished finish. It allows the unique characteristics of aluminum to be more visible and will patina with use.