Designed by Niels Diffrient
Liberty Task Chair
A chair that moves with you. Liberty combines weight-sensitive recline with a tri-panel mesh back to deliver continuous, self-adjusting support.
Design Features
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Net Positive certified
Living Product Certified, meaning it is climate, water, and energy positive. -
Minimal, versatile design
Clean lines and refined proportions allow Liberty to integrate seamlessly into home offices and professional workspaces. -
Built-in lumbar support
Unlike traditional single-panel mesh, Liberty's Form Sensing Mesh takes on the exact shape of the sitter's back — delivering a personalized fit and enhanced comfort throughout the day. -
Automatic recline comfort
Weight-sensitive recline responds naturally to your body without manual adjustments or tension controls.
Specifications
Variant
SKU
L113AN10AR13XFSSNSC
Casters
Multi-Surface Caster for Hard or Soft Floor
Warranty
15 Years; Fabric/Cushions/Arm Pads/Casters: 5 Years
Dimensions
Width
673 mm
Depth
635 mm
Overall Height
997 mm - 1108 mm
Backrest Height
23 in.
Seat Depth
419 mm - 476 mm
Seat Height
422 mm - 531 mm
Weight
Overall Weight
15.42 kg
Weight Capacity
181.44 kg
Materials & Sustainability
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Product Materials
Liberty 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
Certifications & Testing
- HPD
- DECLARE® - Red List Free
- Living Product Challenge
- CDPH
- BIFMA LEVEL® - Level 3
- SCS Indoor Advantage Gold
- Green Tick
- MID
Care, Maintenance & Longevity
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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.
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Frame, Base & Components
Clean metal and plastic components with a soft, damp cloth and mild soap if needed. Dry thoroughly.
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.
View Design Story