Designed by Niels Diffrient

World Meeting Chair with Mesh Backrest

Minimal design. Full performance. World uses a lightweight design and weight-sensitive recline to deliver effortless, self-adjusting support with less material.

Design Features

  • Designed for durability

    Designed for durability

    Built for long-term performance in shared environments.
  • Comfort designed for shared spaces

    Comfort designed for shared spaces

    Supports a wide range of users throughout the day.
  • Backrest moves with the sitter

    Backrest moves with the sitter

    Maintains support across different postures.
  • Armrests move with the user

    Armrests move with the user

    Attached to the backrest for consistent ergonomic positioning.
  • Weight-sensitive recline

    Weight-sensitive recline

    Provides effortless movement without knobs or levers.

Specifications

Variant

SKU

W20WN01RF10ESNSC

Casters

Multi-Surface Caster for Hard or Soft Floor

Warranty

15 Years; Fabric/Cushions/Arm Pads/Casters: 5 Years

Dimensions

Width

25.75 in

Depth

25 in

Overall Height

35 in - 39.75 in

Backrest Height

22.5 in.

Seat Depth

16.1 in - 18.5 in

Seat Height

15 in - 19.75 in

Weight

Overall Weight

26 lb

Weight Capacity

400 lb


Materials & Sustainability

  • Product Materials

    World is constructed using die-cast aluminum, steel, engineered polymers, contoured seat cushion, multi-layer Duron arm pads, and upholstery textile. Die-cast aluminum and steel form the structural frame and recline mechanism. Engineered polymers are used for components requiring flexibility and impact resistance. The back features patented Form Sensing tri-panel mesh that takes on the exact shape of the sitter's back, providing a personalized fit and maximum adaptability.


Who It's For

For spaces where many people use the same chair throughout the day.

  • Ideal for conference rooms and shared meeting spaces
  • Great for collaborative areas and client-facing environments
  • A strong fit for teams who want breathable comfort and a clean design in one chair

Certifications & Testing

  • HPD
  • DECLARE® - Red List Approved
  • Living Product Challenge
  • CDPH
  • BIFMA LEVEL® - Level 3
  • SCS Indoor Advantage Gold
  • Green Tick
  • MID

Care, Maintenance & Longevity

  • Upholstery

    Vacuum regularly using a soft brush attachment. For deeper cleaning, wipe down with a damp cloth — no soap required for routine maintenance. For stubborn marks, a small amount of mild soap solution can be applied and wiped clean with a damp cloth. Allow to dry fully before use.

  • Frame, Base & Components

    Clean metal and plastic components with a soft, damp cloth and mild soap if needed. Dry thoroughly.

Felt like the chair was protecting us from some of the more insidious side effects of sitting down.

Conforms to your back while weight-sensitive recline adjusts automatically - but barely noticeably - with each movement.

Blends an industrial minimalist design with a slew of feel-good features.

A perfect score for seat comfort and backrest comfort, and we were impressed to note that its 'tri-panel backrest' also provided exceptional lumber support.

A very comfortable chair.

The Humanscale Diffrient World chair has produced a seat that's brimming with effortless ergonomic comfort all contained in a sleek design that adds a touch of modernity to a workspace.

Niels Diffrient designing on board while sitting on Humanscale Freedom Saddle Stool ring base

Design By Niels Diffrient (1928–2013)

Niels Diffrient was a pioneering industrial designer known for his human-centered approach and belief that design should be intuitive and effortless. Often called “the last of the mid-century modernists,” he focused on simplicity, allowing form to follow function in its purest sense. A Cranbrook Academy graduate alongside Charles and Ray Eames and Eero Saarinen, Diffrient went on to shape some of the most iconic products of the 20th century. His work at Henry Dreyfuss Associates helped define modern industrial design, while his research into human factors redefined how products support the body. His partnership with Humanscale introduced a new standard in seating, creating designs that automatically adapt to the user. Diffrient’s legacy lives on in products that are simple, timeless, and designed to improve the human experience.
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