PK31™ chair

PK31™ Chair and Sofa Series

The PK31™ series by Poul Kjærholm is a striking example of Danish modern design, where geometry and comfort coexist in perfect balance. Designed as both a modular system and a freestanding piece, the PK31™ reflects Kjærholm’s pursuit of the ideal form. The chair’s design is rooted in mathematical precision, defining a cube of 76 cm on each side, with the seat height exactly at the midpoint. Upholstered exclusively in leather and paired with a matt chromed spring steel base, the PK31™ combines elegance, durability, and luxury. Available as a chair, two-seater, or three-seater sofa, additional units can be added to expand the system as needed.

What makes the PK31™ series special?

• Design heritage: Created by Poul Kjærholm, a master of modernist Danish design.

• Perfect geometry: The chair embodies a precise cube form with exact seat proportions.

• Modular flexibility: Offered as a chair, two-seater, or three-seater, with extendable options.

• Luxury materials: Upholstered in premium leather for a refined and timeless look.

• Sophisticated base: Matt chromed spring steel frame adds strength and elegance.

• Balance of form and comfort: Merges minimalist design with lasting seating comfort.

A sofa series with timeless appeal
The PK31™ demonstrates Kjærholm’s ability to create furniture that is both architectural and human. Its modular versatility makes it suitable for both private interiors and professional settings, while its sculptural precision ensures it remains a centrepiece in any room.

Specifications

• Brand: Fritz Hansen

• Designer: Poul Kjærholm

• Model: PK31™ Chair and Sofa Series

• Materials: Leather upholstery, matt chromed spring steel base

• Versions: Chair, two-seater sofa, three-seater sofa; additional modules available

Styling & Pairing
The PK31™ pairs beautifully with other Kjærholm classics such as the PK62™ or PK63™ tables, creating a cohesive lounge space. Its clean lines and leather upholstery make it a natural match for modern, minimalist interiors.

A timeless design for modern living
With its precise geometry, luxurious materials, and modular adaptability, the PK31™ series continues to embody Poul Kjærholm’s vision of timeless furniture that balances beauty and function.

FAQs
Who designed the PK31™ series?
The PK31™ was designed by Poul Kjærholm.

What makes the design unique?
Its precise cube proportions and ability to function both as standalone pieces and part of a modular system.

What materials is it made from?
Premium leather upholstery combined with a matt chromed spring steel base.

What versions are available?
The PK31™ is available as a chair, two-seater, and three-seater sofa, with expandable units.

Where does it work best?
It is ideal for living rooms, offices, or lounges, offering both sculptural presence and comfort.

Who produces it today?
The PK31™ series is produced by Fritz Hansen.