Modular. Versatile. Quick to revamp. Built to last.
Steelcase Series® M is a family of office side chairs and conference chairs you can rely on, for today and tomorrow.
Modular Seating for Every Space
5 bases. Hard-working features. Over 120 possible combinations. Steelcase Series M complements the Series 1 and Series 2 task chairs with a multi-functional design that enriches any environment.
Choose a sleek shell or add upholstery. Opt for armrests or integrate writing tablets. There’s an option for every space, from meeting rooms and private offices to rejuvenation areas and classrooms. With Series M, you can equip your entire workspace using a single family of chairs!
Contemporary Chairs for Evolving Needs
Steelcase Series M side chairs stand out with their circular design, which promotes long-term usability. Swap shells, upholstery or bases anytime, with minimal effort. Replace the parts that no longer serve your goals, while keeping what works.
These chairs make it easy to refresh their look. Whether you’re planning a full workspace redesign or wish to switch from a collaborative chair to a visitor chair, they adapt to the evolving needs of a growing office. They are built to last, so you can work smarter.
High-Performing Features for Modern Chairs
Thoughtfully crafted to live in harmony with the space it sits in, Steelcase Series M merges comfort with choice. Tailor your seating experience to match your preferred work styles, space requirements or desired aesthetic – it’s all in the features you pick.
Assemble and Disassemble
Designed for quick assembly and disassembly, this chair is ready to welcome guests in less than 2 minutes – whether it’s the first time you’re assembling it or you’re swapping parts.
Stack and Unstack
4-leg chairs are stackable, pairing easy storage with quick access. Keep these chairs conveniently out of your way – they’ll sit within close reach if needed.
Upholster and Reupholster
Seat and back cushions are available for all Steelcase Series M chairs, for extra comfort. Add, remove or swap upholstery whenever you want – now or in the future.
Versatile Chairs for Modern Workspaces
With Steelcase Series M, there is a chair for every occasion. Enjoy infinite space planning opportunities with a modular seating family that pairs seamlessly with Series 1 and Series 2 to maintain a unified task and collaborative seating experience in your space.
Open Collaboration
The comfortable design of our collaborative chairs enhances both in-person and virtual interactions. They follow the natural curvature of the body, encouraging people to connect, share ideas, or brainstorm for a few minutes or a few hours in whatever workspace they find themselves in.
Office Rejuvenation
With a wide range of bases, shells, and accessories, Series M side chairs are an ideal choice for lounge areas, workcafès, and transitional spaces. People can take well-deserved breaks in an environment that looks and feels good.
Active Learning
Writing tablets, armrests and castors — paired with the stackable option— empower a life of learning. Series M is perfectly suited to serve as classroom chairs, in order to support both formal and informal activities, making them suitable for auditoriums, library spaces, training rooms, workshop areas, and more.
Private Meetings
The thoughtful design of Series M visitor chairs provides comfort and style for private offices. They help guests feel at ease, whether for brief discussions or longer meetings, ensuring every interaction is productive and welcoming.
Product Range
4-Leg
4-Star
5-Star
Sled
Cantilever
Adaptable Design for Evolving Space
Built for longevity, adaptability and circularity, Steelcase Series M is a sustainable seating solution designed to endure and support spaces that evolve over time. Its modular design is intentionally engineered to keep the product in use and out of the landfill.
- No glue or staples in back and seat upholstery allows for easy disassembly, reuse and material recovery at end of use.
- Recyclable materials support a circular lifecycle, ensuring components can be reintegrated responsibly.
- Swappable parts, such as bases and seat shells, eliminate the need for a full chair replacement.
Crafted with flexibility in mind, Series M adapts as spaces and needs change, extending product life while minimizing environmental impact.
Designing for Sustainability
We’re working toward better futures for the planet by recognizing our role in climate change and reducing our environmental impact, to help build a more sustainable and resilient world.
We do this by:
- Making, sourcing and delivering products that help reduce our carbon footprint
- Designing for circularity
- Choosing and using materials responsibly.
View More Sustainable Products
Read More About Our Commitments to the Planet
Specifications
Standard + Optional Features
Standard + Optional Features
Standard
- Plastic Shell
- Glides
Optional
- Armrests
- Writing Tablet
- Castors
- Back Cushion
- Seat Cushion
Dimensions
Dimensions
overall dimensions
Seat Height:
4-Leg, Sled, Cantilever 4-Star: 435 mm
5-Star: 400-520 mm
Seat Depth: 480 mm
Seat Width: 425 mm
Back Height from Seat: 420 mm
Armrest Height from Seat: 230 mm
Surface Materials
Surface Materials
Plastic Shell (Back and Seat): Seagull, Black
Sideframe Paints: All standard and select paints are available.
Back Cushions: Atlantic, 3D Microknit
Seat Cushions: Era, Medley, Mica, Atlantic, Renewed Loop, Step, Step Melange
Global Availability
Global Availability
This product is available in the following regions:
- Africa
- Europe
- Middle East
Not available in your region?
If you're interested in purchasing a product that's not available in your region, please contact your local dealer for purchasing options.
