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With an innovative recline mechanism that provides constant support and a pivoting backrest that automatically adjusts to the needs of the spine, the Freedom chair delivers exceptional comfort and promotes movement throughout the day. Its refined and sculpted cushions were designed to mimic the body’s natural contours and decrease pressure point loads for premium comfort. Like all Humanscale chairs, the Freedom chair was designed to look and function like new after years of consistent use.
Standard Duron Arms
- Revolutionary armrests move in tandem to eliminate uneven arm positioning
- Natural lift and release action for immediate repositioning without button or locks
- 6” range of vertical motion to accommodate all users and tasks
- Can be positioned below thigh level for close table or desk work
- Attached to backrest so arms stay in same relation to body during recline
- Duron cover for superb comfort and durability
Standard Duron Arms with Textile Cover
- Same features as above and covered in the same textile and color as the seat and back cushions.
Advanced Duron Arms
- Same height adjustment features as Standard Duron Arms
- Features lateral motion to push armrests outward/inward
- Armrest automatically remains in the same position you last put it in
- No additional locks or buttons required
Advanced Duron Arms with Textile Cover
- Same features as above and covered in the same textile and color as the seat and back cushions.
Self-Adjusting Recline
- The intelligent counter-balance recline mechanism automatically provides the right support through the full range of recline motion, regardless of user size and weight.
- No tension springs to adjust
- No recline locks to set/release
- The angle between the torso and legs opens up for better body function during reclining.
- The user maintains a near-constant eye level during recline.
Pivoting Backrest
- Extra motion of the backrest during recline automatically adjusts to the changing needs of the spine.
- Provides up to 1” additional lumbar support when needed
Synchronous Armrests
- Revolutionary armrests move in tandem to eliminate uneven arm positioning
- Natural lift and release action for immediate repositioning without buttons or locks
- 6” range of vertical motion to accommodate all users and tasks
- Can be positioned below thigh level for close to table or desk work
- Attached to the backrest, so arms stay in the same relation to body during recline
- Duron arm pad for durability and comfort
Caster Options
- 2.5” soft double-wheel casters for hard floors
- Non-rolling glides available for fixed-location use
- 2.5” locking casters
Frame Options
- Die-cast polished aluminum with fused plastic
- Fused plastic graphite finish
Cylinder Options
- Provides seat height range that accommodates 95% of the population
- Low cylinder for small users
- Tall cylinder for very tall users
- High cylinder with foot ring for higher work surfaces (draft tables, countertops)
Cushions
- Carefully sculpted to match body contours
- Increased contact area reduces pressure points
- Modular for easy replacement
- Molded polyurethane foam cushions
- Optional arm pads and seat have a top layer of Technogel®
- Upholstered with a variety of materials customized to the unique form of the cushion
Gel Seat Cushion
- Non-degradable, non-compressible Technogel® layer on top of foam core
- Provides maximum pressure distribution
- Offers unmatched, long-term comfort

Humanscale's innovative synchronous arms are meticulously crafted to enable users to effortlessly adjust their arm support with just one hand.
- Available in leather, vinyl, and fabric
- Performance fabrics available from Kvadrat
- Only chrome-free, vegetable dyed leather
- Available with or without arms
- Adjustable Duron arms with 6" of adjustable height
- All Duron arms have 0.5" adjustable intervals
- Polished aluminum and graphite colored frame
- Molded polyurethane or gel seat
- Standard, adjustable task chair height
- Hard, soft, locking casters available
- Glides available in place of casters
- Cylinder height options
- Weight: 38 lbs. with arms, 34 lbs. without arms
- Base width: 25"
- Certified to 400 lbs.
Humanscale treats sustainability as a core part of its identity, not simply a supporting message. The company approaches design with the idea that fewer parts, longer lasting materials, and simpler engineering can reduce waste while improving performance. This philosophy is reflected across its workplace products, which are developed to deliver long term value through durability, efficiency, and thoughtful material use.
Sustainability at Humanscale also extends into manufacturing and material selection. The company has worked to reduce waste, improve energy efficiency, and eliminate many chemicals of concern from its products and processes. Its focus on transparency and responsible sourcing helps support healthier interiors while giving designers and customers greater confidence in the environmental standards behind the brand.
In addition, Humanscale has invested in circular thinking through initiatives that support product longevity, refurbishment, and reduced environmental impact over time. By combining human centered design with measurable sustainability efforts, the company has built a reputation for creating workplace solutions that are intended to support both personal wellbeing and broader environmental responsibility.
- Designs products with fewer parts to reduce material use and simplify manufacturing
- Focuses on long product lifespans to reduce replacement cycles and waste
- Uses highly recyclable materials such as aluminum and steel in many products
- Eliminates harmful chemicals including PFAS and PVC from many product lines
- Publishes Declare labels and other transparency documentation for product materials
- Maintains manufacturing facilities with high waste diversion rates and recycling programs
- Achieves TRUE Zero Waste certification at select manufacturing sites
- Monitors and works to reduce greenhouse gas emissions and energy consumption
- Incorporates recycled materials such as reclaimed ocean plastics into certain products
- Supports circular economy practices through product refurbishment and take back initiatives
- Develops climate positive products designed to offset more carbon than they produce
- Prioritizes responsible sourcing and environmentally conscious supply chain practices
A gas cylinder kept clean offers superior reliability compared to conventional cylinders. In contrast to typical chairs, Humanscale's patented design encloses grease within the lower unit, safeguarding both the user and the chair.
The arm supports, designed with multiple layers for enhanced comfort, incorporate materials that are softer yet five times more durable than those found in standard arms.
Niels Diffrient
Niels Diffrient (1928–2013) was a visionary industrial designer renowned for his innovative contributions to ergonomic design. Born in 1928 in the United States, Diffrient's career spanned over six decades. He was particularly acclaimed for his focus on human-centered design principles, striving to create products that seamlessly melded form and function.
Diffrient's pioneering work in ergonomic seating revolutionized the design of office chairs, emphasizing comfort, support, and adaptability to the human body. His designs, characterized by clean lines and minimalist aesthetics, have left an indelible mark on the field of industrial design.
Throughout his career, Diffrient collaborated with leading companies such as Knoll, Humanscale, and Sunar, producing iconic designs that have garnered numerous awards and accolades. His commitment to improving the user experience through thoughtful and empathetic design continues to influence designers worldwide.
Niels Diffrient's legacy extends beyond his tangible creations; he remains a revered figure in the design community, revered for his humanistic approach and unwavering dedication to enhancing the interaction between people and products.
Humanscale
Humanscale is a global designer and manufacturer of ergonomic workplace solutions focused on improving comfort, health, and productivity. Founded in 1983 and headquartered in New York City, the company is known for pioneering office furniture and accessories that adapt naturally to the human body, including task seating, monitor arms, sit stand desks, and lighting. Humanscale emphasizes simple, high performance design with minimal adjustments, while also prioritizing sustainable materials and environmentally responsible manufacturing. Today, the brand is widely recognized for its human centered approach to workplace design and its commitment to creating products that support both user wellbeing and long term environmental impact.
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