Humanscale Diffrient World Chair

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Humanscale Diffrient World Chair
from £ 644.00  excl. VAT
From £ 772.80 incl. VAT


Simple and minimal task chair with effortless functionality ideal for the office.
  • Features Humanscale's tri-panel mesh backrest and weight-sensitive recline - the seat ergonomically adjusts itself to each user, without the need for manual adjustment.
  • Adjustable armrests attached to the back of the chair for ultimate comfort and support when reclining.
  • The lightweight design replaces the traditional back with low-abrasion, non-stretch mesh.
  • 15-year guarantee on seating.
  • 5-year guarantee the armrests and fabric.
  • Recycled content: 20% pre-consumer, 2% post-consumer.
  • Complies with BS 7176: 2007 for Medium Hazard
  • yes
  • yes
  • 15 years
  • yes
  • yes
  • yes

Product Information

Product Name Humanscale Diffrient World Chair
Brand HumanScale
Conditioning unit
Catalogue page 7

Technical Specification

Material Polyester
Back Min. height (mm) 905 mm
Back Max. height (mm) 1029 mm
Seating width (mm) 495 mm
Seat Min. depth (mm) 400 mm
Seat Max. depth (mm) 469 mm
Seat Min. height (mm) 371 mm
Seat Max. height (mm) 495 mm
Ergonomic yes
Adjustable seat mechanism yes
Back width (mm) 470 mm
Max. weight supported (st) 23 st
Weight (kg) 14 kg
Seating time (h) 24 h
Selection home office no
Customer warranty 15 years
Adjustable seat height yes
Adjustable weight mechanism yes
Permanent contact mechanism yes
Adjustable lumber support (postair) yes
Type of armrest adjustment Height Adjustable


Quick info guide


Long-term comfort

Contoured seat cushions with a waterfall edge designed for long-term comfort, to reduce pressure points and provide weight distribution.


Supportive recline

Unique arm design attaches to the back frame to provide support throughout recline.


Back support

Additional backrest motion automatically adjusts to the changing needs of the spine.



Mechanism-free design automatically provides appropriate support and resistance for every user.



Frameless front edge eliminates contact stress behind the knee.


Innovative Mesh

Innovative non-stretch mesh automatically adapts to the users natural contours providing custom lumbar support and eliminating the need for manual adjustments.

Humanscale - diffrient world chair

Diffrient World

designed by Niels Diffrient

"My goal is always to design chairs that are so simple to use that the functionality is often invisible to the user."

Niels Diffrient

“If every chair was made the way the World Chair was, we would cut in half all the material used for task chairs.”

Niels Diffrient, Designer