Liberty Side Chair
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Case Study
Arup Case StudyERGO Info
Curb behind-the-knee compression. Adjust the depth of your seat pan to ensure one or two inches of space remain between the back of your knees and the front edge of the chair.
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Designed to complement the features and styling of the Liberty Task chair, the Liberty Side chair offers beauty, performance and unprecedented comfort in its class. Its backrest features Liberty’s exclusive Form-Sensing Mesh Technology for perfect fit and customized support. The backrest pivots for additional comfort, and the seat has a frameless front edge that is supportive yet soft.
Reviews
“It's chic. It's sexy, and it's good for your posture.”
― Dream Book by Boutique Design
Designer
An industrial design legend, Niels Diffrient has been called “the granddaddy of the ergonomic revolution.”
Read the bio
Responsible Design
Sustainability is the natural outcome of simple, elegant design.
Find out why
Features
1) self-adjusting recline
the right amount of 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
-During recline, the angle between torso and legs opens up for better body function
-User maintains near constant eye level during recline
2) Pivoting Backrest
-Provides additional lumbar support as needed
3) form-sensing mesh back
-No external lumbar devices to adjust, break or lose
-Low-abrasion mesh protects clothing
-Modular for easy replacement
4) contoured seat cushion
-Increased contact area reduces pressure points
-Modular for easy replacement
5) armrest options
-Armless model also available
6) Body Fit
-Automatic adjustments
-Weight-sensitive recline
-Form-sensing lumbar support
-Manual adjustments
-Optional height-adjustable armrests
-Seat height
-Seat depth
7) casters
and quietly on hard floors
Physical Characteristics
Cushions
- Non-stretch, tri-panel mesh back
- Molded polyurethane foam seat cushion
- Duron arm pads
- Optional arm pads and seats have top layer of Technogel®
- Seats upholstered with a variety of materials customized to the unique form of the cushion
Cushion Pan, Back Frame, Five-Arm Base
- Injection-molded, structural, integral color plastics
- Optional stainless steel caps on base
External Frame
- Die-cast aluminum with fused plastic coating or polished aluminum finish
- Stored Energy Devices
- Nitrogen-charged gas cylinder for adjustable seat height
- Coil spring in the self-adjusting recline mechanism
Torsion spring in the pivoting backrest
Optional Foot Ring
- Chrome-plated steel
Standard Features
Self-Adjusting Recline
- Intelligent counter-balance recline mechanism automatically provides the right amount of 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
- During recline, the angle between torso and legs opens up for better body function
- User maintains 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 additional lumbar support as needed
Form-Sensing Mesh
- Tri-panel, non-stretch mesh construction creates body-fitting contours and self-adjusting lumbar support for a customized fit
- No external lumbar devices to adjust, break or lose
- Low-abrasion mesh protects clothing
- Modular for easy replacement
Standard Cylinder
- Provides seat height range that accommodates 95% of the population
- Contoured Seat Cushion
- Carefully sculpted to match body contours
- Increased contact area reduces pressure points
- Modular for easy replacement
Body Fit
- Size adjustable to fit more than 95% of the population
- Form-sensing mesh provides perfect lumbar support—automatically
- Manual adjustments for fit-to-size:
- Seat Height: 5” adjustment range
- Seat Depth: 2.25” adjustment range
Casters
- 3” dual-surface casters roll easily on carpeted floors and quietly on hard floors
Optional Features
Armrest Options
- Armless
- Fixed armrests
- Height-adjustable armrests with 5” range of adjustment
Gel Seat Cushion
- Non-degradable, non-compressible
- Technogel® layer on top of foam core
- Provides maximum pressure distribution
- Offers unmatched long-term comfort
Arm Pad Options
- Flexible Duron
- Technogel® for optimal comfort
Cylinder Options
- Low cylinder for small users
- Tall cylinder for very tall users
- High cylinder with foot ring
- Return-to-height cylinder returns chair to highest position when user exits chair
Fireproofing
- CAL 133-approved
- Fireproof barrier between textile and foam
- Fire-retardant plastics
Caster Options
- Non-rolling glides for fixed location use
Polished Base Caps
- Stainless steel caps on five-star base for wear protection and aesthetic appeal
Foot Ring
- Chrome finish
- Height-adjustable
Specifications
Scope of Users
- Standard chair fits more than 95% of the office population
- 5’0” Woman to 6'4' Man
- 100 to 300 lbs.
Weight
21.4 lbs.
Warranty Information
Sustainability
We work hard to ensure that our environmental philosophy is reflected in each product we create. With our Design for Environment protocol, our designers and engineers examine the environmental impact of every choice made throughout the design process—from initial concept through final production. We invite you to read more.
A selection of sustainability highlights for Liberty Side:
- Recycled content: 33% post-consumer, 15% pre-consumer
- Weighs as little as 21 pounds, minimizing resources used in shipping
- Modular cushions for easy replacement
- Learn more about how we work to extend the life of our products through both design and engineering so they won’t need to be replaced often
- Designed for easy disassembly with clear recycling instructions
- Ships in packaging that contains recycled content or blanket-wrapped, when feasible
- GREENGUARD Indoor Air Quality and GREENGUARD Gold certified
- ANSI/BIFMA level® 2 certified
- Close the Loop program ensures that every product ends its useful life with a minimal environmental impact
Finishes
Frame Finishes
 Black |
 Silver |
 Polished Aluminum |
Trim Finishes
 Black |
 Silver |