Designed by Studio 7.5

Zeph by Herman Miller

Front angle view of Zeph chair in Olive.

A classic silhouette with modern ergonomics

The Zeph Chair finds a happy home between mid-century modern aesthetics and the research-backed ergonomics of today’s work chairs. Its advanced yet simple design offers more for less – more comfort, colours and style – made with fewer components and at a price that makes it the perfect entrée into the world of Herman Miller performance seating.

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Move with the Kinematic Monoshell

Setting out to animate a shell chair – not an easy feat – the designers at Studio 7.5 used 3D printing to iterate through prototypes of the monoshell until they achieved what they deem a gold standard in ergonomics: a recline that feels natural in a chair that moves with you. The geometry of the design allows your body’s pivot points to create the right counterbalance for a proper ergonomic sit – an experience that leaves you feeling supported and energised as you move in the chair, and about your day.

Group photo of five Zeph chairs in varying colours and textiles

Change it up with 3D Knit

The chair’s optional, removable and interchangeable 3D Knit easily slides directly into the shell, no tools required, and can be swapped out for one of the other 20 textile colour choices if your space needs a refresh. Plus, it’s made from 50% post-consumer recycled content, and because it’s knitted to the chair’s exact dimensions, there’s zero fabric waste.

A line drawing of Zeph chair armless

Find joy in colour

The playful eight-colour palette for the Zeph Chair’s shell and base was designed to complement and enliven the home, office, college campus or anywhere in between, allowing you to get creative in pairing the chair with your unique sense of style. Enjoy the return of dipped-in-colour, one hue from top to bottom, which debuted on Zeph predecessor, Cosm.

A collection of the Zeph family, in various colours and seat options


Dimensions, materials, details and available options that make up the Zeph Chair.

See the Details

Meet the family

With a full family of ergonomic work chairs, stools, and side chairs, Zeph meets your needs throughout the workspace.

A collection of five chairs from the Zeph family, including a graphite Side Chair with castors, a glacier Multipurpose Chair, an alpine fixed arm Mulitpurpose Chair with a nightfall unibody cover, a nightfall stool with a nightfall seat pad, and an olive side chair with arms and an alpine seat pad

The story behind Zeph

Berlin-based Studio 7.5 found the initial inspiration for the Zeph Chair with the help of the students at the universities where they teach. Eventually, their iterative design process led to an entry-level chair that doesn’t compromise comfort or style, and one that bridges the gap between Herman Miller’s iconic mid-century designs and the ergonomics of today’s work chairs.

Read the design story