Office Chairs

Humanscale Liberty Task Ergonomic Chair

Please note: This chair is custom-made and non-returnable. All fabric colors shown on your computer screen are approximate, based on the resolution of your monitor and subject to variation from the actual color on physical chairs. For more accurate ideas of color tones, etc. please contact customerservice@ergodirect.com or call 888-456-ERGO to obtain a sample or fabric swatch.

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Product ID: 13623
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Our Price: $799.00
Shipping: FREE SHIPPING *
Usually ships in 7 to 10 business days
* applies to Contiguous United States

Cancellation Fee: Customers have 72 hours to cancel an order after the ship date has been given. There will be a 10% fee applied if the order is cancelled within the given time frame.

Animation of Humanscale Liberty Task Chair

Humanscale Liberty Task or Conference Chair

Humanscale Liberty Task or Conference Chair

Humanscale Liberty Task Chairs in Conference meeting

Diagram for Humanscale Liberty Task or Conference Chair

Humanscale Liberty Task or Conference Chair

Humanscale Liberty Task or Conference Chair in group meeting

Humanscale Liberty Task or Conference Chairs

A Revolution in Mesh Seating

Liberty, with Form-Sensing Mesh Technology, is unlike any mesh chair you’ve seen or experienced. With its tri-panel construction, Liberty has the body-fitting contours that single-panel stretch mesh chairs simply can’t achieve. And it offers perfect lumbar support for everyone, without external devices or manual adjustments.

Office Seating

Liberty’s mesh back is formed by combining three panels of low-stretch mesh in the same way a tailor combines multiple pieces of material to form a shirt. So its contours are custom-made to both fit and support the human body in unprecedented comfort. Combined with its automatic weight-sensitive recline, Liberty has set a new bar for performance, simplicity, elegance and comfort.

Liberty’s automatic fit and ease of use make it the perfect choice for conference room seating, where every occupant will feel comfortable and supported without having to worry about adjustments.

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 Back

  • 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

Contoured Seat Cushion

  • Carefully sculpted to match body contours
  • Increased contact area reduces pressure points
  • Modular for easy replacement

Armrest Options

  • Adjustable or Fixed Armrests connect to the backrest instead of the seat so they stay with the body during recline.

Body Fit

  • Size adjustable to fit over 95% of the population
  • Form-sensing mesh provides perfect lumbar support automatically.
  • Adjustments for Fit-to-Size: Seat height and Seat Depth

Casters

  • 3" dual-surface casters roll easily on carpeted floors and quietly on hard floors

Standard Cylinder

  • Provides seat height range that accommodates 95% of the population

Dimensions

Dimensional diagram for Humanscale Liberty Task or Conference Chair

All dimensions shown are standard

Scope of Users

  • Standard chair fits over 95% of the office population
    • 5`0" Woman to 6`4" Man
    • 100 to 250 pounds
  • Users outside the standard range can be accommodated by
    • Low or High Cylinder Height

Weight

  • 27 lbs. Standard Chair

Dual Action Recline

  • 17° recline plus 7° backrest tilt

Reference Angle between Seat and Back

  • 100° to 124°

Liberty and the Environment

Humanscale is committed to environmental sustainability and continually strives to design, engineer and manufacture products that compared to others in the same class - consume less of the Earth’s limited resources. This is accomplished by creating products that:

  • Weigh less, requiring less raw materials
  • Use fewer parts and manufacturing processes
  • Contain a high percentage of recycled content
  • Contain a high percentage of recyclable content

Wherever possible, Humanscale uses aluminum as its material of choice. Our aluminum is 100% recycled and recyclable. It never degrades, so it can be reused over and over again. And because recyclers are paid a premium for aluminum scrap, we believe that the aluminum in our products will almost surely be recycled when the time comes. Using aluminum usually costs us more than plastics or other alternatives, but our products are better for it. And so is the environment.

The Liberty chair is a great example of Humanscale’s environmental purpose.

  • Made predominantly of aluminum, followed by plastic and steel
  • Contains 54% recycled content (32% post-consumer, 22% post-industrial)
  • 93% recyclable
  • Weighs only 27 lbs.
  • Designed for easy disassembly
  • Ships in 40% recycled packaging, or blanket-wrapped when feasible
  • Greenguard Certified

LEED Credit

The Liberty chair can help a project earn points toward LEED-CI Certification in the following areas:

  • Credit 4.1 (1 Point) – Recycled Content (10%)
  • Credit 4.2 (1 Point) – Recycled Content (20%)
  • Credit 4.5 (1 Point) – Low-emitting Materials (Liberty is Greenguard Certified)
  • Credit 5.1 (1 Point) – Regionally manufactured within 500 miles of Piscataway, NJ

Option 1: Choose your ArmRest

Humanscale Liberty Task or Conference Chair - Armless
Humanscale Liberty Task or Conference Chair - Fixed ArmRest
Humanscale Liberty Task or Conference Chair - Adjustable Arms

Armless

Ideal for pull-up seating in work areas, and secondary seating in conference rooms.

Fixed Armsrest

The standard armrest height provides universal comfort and is appropriate for conference rooms or light task applications.

  • Fixed Duron Arms
  • Fixed Duron Arms with Matching Textile
  • Fixed Gel Arms with Xanium Cover
  • Fixed Gel Arms with Matching Textile

Adjustable Arms

These provide the most flexibility with 5" of height adjustability and are a good choice for workstation or task applications.

  • Adjustable Duron Arms
  • Adjustable Duron Arms with Matching Textile
  • Adjustable Gel Arms with Xanium Cover
  • Adjustable Gel Arms with Matching Textile

Fixed Urethane Armrests:

Fixed arms with flexible urethane covers

Fixed Gel Armrests:

Fixed arms with Technogel arm pads for optimal cushioning and comfort. Covered in Black Duron for comfort and durability.

Fixed Gel Armrests with Textile:

Fixed arms with Technogel arm pads for optimal cushioning and comfort. Covered in same textile and color as seat cushion.

Adjustable Gel Armrests:

Armrests adjust up and down with 5” range of adjustment. Technogel arm pads for optimal cushioning and comfort. Covered in Black Duron for comfort and durability.

Armrest Material:

"Urethane" is somewhat translucent and harder material that is similar to bendable plastic.

"Xanium" gel arm pad is softer and more comfortable.

Option 2: Choose your Base - Frame - Trim

Black Base

Humanscale Liberty Task or Conference Chair - Black Base - Black Frame - Black Trim

  • Black Frame
  • Black Trim

Black Base

Humanscale Liberty Task or Conference Chair - Black Base - Silver Frame - Black Trim

  • Silver Frame
  • Black Trim

Black Base

Humanscale Liberty Task or Conference Chair - Black Base - Polished Frame - Black Trim

  • Polished Frame
  • Black Trim

Silver Base

Humanscale Liberty Task or Conference Chair -Silver Base - Silver Frame - Silver Trim

  • Silver Frame
  • Silver Trim

Silver Base

Humanscale Liberty Task or Conference Chair - Black Base - Polished Frame - Black Trim

  • Polished Frame
  • Silver Trim

Option 3: Choose your Seat Textile

The cushions on all Humanscale chairs utilize advanced technology developed primarily for the sportswear and sporting goods industries. In a single step, a high-tech molding process combines the textile, foam or Technogel and plastic support shell into a single, modular unit which can be attached to our seating with four screws. Because of this advanced process, the textiles used on the cushions are as unique as the rest of the chair, and satisfy requirements more demanding than typical upholstery textiles.

Wave

Textile Grade: 1

Textile Code: W

Developed initially for sportswear, Wave responds to the unique form and production requirements of Humanscale seating. This four-way stretch fabric exceeds all contract interior testing requirements for heavy-duty upholstery. The colors of Wave are taken from the phenomenal hues found in nature.

Recommended Cleaning Instructions

For liquid-based stains that penetrate the textile, remove the stain as quickly as possible to minimize the likelihood of permanent staining. For more substance-based stains that sit on top of the fabric, scrape off the excess substance with a knife or coin immediately. Always use water-soluble solvents such as dishwashing detergents to clean. Vacuum the textile on a weekly basis to extend the life of the material and to help identify any stains that must be removed.

Technical Information
Content 86% Nylon, 14% Elastic
Width 61"
Weave Repeat None
Finish Stain and water repellent
Brush Pill Class 4, ASTM D-3511
Abrasion 150,000 double rubs, ASTM D 4157 #10 cotton duck, Wyzenbeek
Colorfastness to Light Class 5, 40 hours; AATCC Test Method 16E
Crocking Class 5, Wet: Class 4.5, AATCC Method 16E
Flammability California technical bulletin 117, section E; NFPA 260 Cover Fabric, Class 1

Vellum

Textile Grade: 1

Textile Code: V

Constructed of a simple weave using a blend of nylon, Cordura and elastic yarn, this textile offers a pleasing texture and extreme durability. Because of the Cordura content, this fourway stretch woven textile performs to the rigors of the most demanding environments. The color palette includes brights, classics, and neutrals.

Recommended Cleaning Instructions

For liquid-based stains that penetrate the textile, remove the stain as quickly as possible to minimize the likelihood of permanent staining. For more substance-based stains that sit on top of the fabric, scrape off the excess substance with a knife or coin immediately. Always use water-soluble solvents such as dishwashing detergents to clean. Vacuum the textile on a weekly basis to extend the life of the material and to help identify any stains that must be removed.

Technical Information
Content 91% Nylong and Cordura blend, 9% Elastic
Width 50"
Weave Repeat None
Finish Stain and water repellent
Brush Pill Class 5, ASTM D-3511
Abrasion 150,000 double rubs, ASTM D 3597 #10 cotton duck, Wyzenbeek
Colorfastness to Light Class 4, 40 hours; AATCC Test Method 16E
Crocking Dry: Class 5, Wet: Grade 4.5, AATCC Method 8
Flammability California technical bulletin 117, section E; NFPA 260 Cover Fabric, Class 1

Lotus

Textile Grade: 1

Textile Code: K

Aptly named after the plant known for its healing properties, beauty, and cleanliness, Lotus is one of the latest creations from award-winning designer Elizabeth Whelan. Water repellant and easy to clean, it is an ideal textile for the healthcare and hospitality environments. Its polyurethane finish with nylon backing boasts a soft texture that is pleasant to the touch while offering exceptional durability, and its four-way stretch design provides the flexibility to seamlessly adapt to Humanscale’s unique ergonomically designed seat cushions. Lotus meets and exceeds all performance requirements for task seating applications, including all heavy-duty contract and healthcare tests.

Technical Information:

Content 100% Polyurethane face, Nylon backing
Width 54” useable
Weave Repeat None
Finish Antibacterial/antimicrobial finish, AATCC Method 100 Stain and water resistant finish
Abrasion 350,000 double rubs, ASTM 4157, #10 cotton duck, Wyzenbeek 150,000 double rubs, ASTM 4157-02, wire mesh, Wyzenbeek
Colorfastness to Light Grade 4.5, 40 hours AATCC, Test Method 16, Option 3
Crocking Dry: Grade 4.5, Wet: Grade 4.5, AATCC Method 8
Breaking Force (Grab Text) Weft: 563.5 lbs., Warp: 644.3 lbs., ASTM D 5034
Elongation Weft: 149.9%, Warp: 100.1%, UPH 107
Flammability California technical bulletin 117, section E NFPA 260 Cover Fabric, Class 1
Stain Release Test Grade 5, AATCC Test Method 130
Colorfastness to Solvent Spotting Grade 4, Perchloroethylene AATTCC 157
Antibacterial Finish Staphylococcus aureus ATCC 6538, 99.68% inhibition of growth Klebsiella pneumoniae ATCC 4352, 99.86% inhibition of growth

Lotus is Electrostatic Discharge (ESD) compliant and meets ANSI/ESD-STM-12.1-2006 requirements. Contact your Humanscale representative for more information.

Gingko

Textile Grade: 2

Textile Code: F

Created by Elizabeth Whelan Design, Ginkgo reflects the delicate parallel veins of the Ginkgo biloba tree leaves. It is composed of 90% wool, a renewable fiber that offers durability, elegance and flexibility. Available in a variety of vibrant and saturated colors, Ginkgo extends the breadth of Humanscale`s seating color line. Ginkgo`s exceptional performance on contract textile tests and subtle sophistication will satisfy any task seating application.

Recommended Cleaning Instructions

For liquid-based stains that penetrate the textile, remove the stain as quickly as possible to minimize the likelihood of permanent staining. For more substance-based stains that sit on top of the fabric, scrape off the excess substance with a knife or coin immediately. Always use water-soluble solvents such as dishwashing detergents to clean. Vacuum the textile on a weekly basis to extend the life of the material and to help identify any stains that must be removed.

Technical Information:

Content 90% Wool, 10% Nylon
Width 51”
Weave Repeat 1/8" Vertical, 1/8" Horizontal
Finish Soil and stain repellent
Brush Pill Class 4-5, Martindale IWS 196 Class 4, ASTM D-3511
Abrasion 103,300 cycles, Martindale AS 2001.2.25
Colorfastness to Light Grade 5, 40 hours AATCC, Test Method 16, Option 3
Crocking Dry: Grade 4.5, Wet: Grade 4.5, AATCC Method 8
Flammability California technical bulletin 117, section E; NFPA 260 Cover Fabric, Class 1

Sensuede

Textile Grade: 3

Textile Code: D

Offering style and performance, sensuede was developed to be the best and most luxurious engineered suede available. The silky feel is the result of recycled microfibers that are breathable, extra-strong, and resistant to most stains and wrinkles.

Recommended Cleaning Instructions

For liquid-based stains that penetrate the textile, blot to remove excess liquid and remove the stain with a cloth soaked in warm, sudsy water. Use a dry cloth to absorb excess water. For more substance-based stains that sit on top of the fabric, scrape off the excess substance with a knife or coin immediately and remove with damp cloth.To restore Sensuede`s natural sheen and luster, brush the fabric when dry with a suede brush.

Technical Information:

Content 88% Polyester and 12% Polyurethane (more than 50% recycled polyester microfibers)
Width 56"
Weave Repeat None
Finish Stain repellent
Brush Pill Class 5, ASTM D-3511
Abrasion 200,000 double rubs, ASTM D-4157 #10 cotton duck, Wyzenbeek
Colorfastness to Light Class 4, 40 hours; AATCC Test Method 16E
Crocking Dry: Grade 4.5, Wet: Grade 4, AATCC Method 8
Flammability California technical bulletin 117, section E; NFPA 260 Cover Fabric, Class 1

Vicenza Leather

Textile Grade: 0

Textile Code: Z

By partnering with Spinney beck, Humanscale is able to offer the finest leathers available for its seating. A lightly corrected, aniline dyed leather, Vicenza receives a special retennage which enriches the leather and tightens the grain. A breathable protective finish offers durability and comfort.

Recommended Cleaning Instructions

Dust regularly. Minor spots can be washed off with lukewarm water and mild soap. Do not soak. Never clean with abrasive solvents, alcohol or wax-based products. Approved maintenance products are available from Spinney beck.

Technical Information:

Average Hide Size 50-55 square feet
Average Thickness 1.0 mm
Width 2.5 oz per square foot
Finish Durable, breathable, protective finish
Brush Pill Class 5, ASTM D-4970
Abrasion 1,000+ cycles, ASTM D-3884
Colorfastness to Light Class 4, 72 hours; AATCC Test Method 16E
Crocking Dry: Class 4.5, Wet: Class 4, ASTM D-5053
Flammability California technical bulletin 117, section E; NFPA 260 Cover Fabric, Class 1
Vicenza Leather

Acqua Leather

Leather Grade: 1

Textile Code: Y

Acqua’s combination of a special retannage and technically-advanced finishing process results in a leather that is not only water-resistant but also practical for applications that require a durable finish.

Acqua Leather

Cervo Leather

Textile Grade: 3

Textile Code: R

Cervo is thicker than the other leathers in our collection. Specialized milling adds additional character providing a soft pebble grain texture unmatched by any other leather in its class.

Cervo Leather

Option 4: Choose your Mesh Colors and Styles

Monofilament Stripe

Textile Code: M

This award-winning mesh textile was designed to provide optimal ergonomic support and comfort by melding strength, flexibility and resiliency. Using only monofilament yarns that are thin and strong, a simple but classic stripe pattern is achieved through weave structure and yarn placement. This pattern has slight elasticity, but terrific memory.

Technical Information
Content 82% Polyester, 18% Nylon
Width 50"
Weave Repeat 1.4" high and no horizontal repeat Finish: Water repellent
Brush Pill Class 5, ASTM D-3511
Abrasion 150,000 double rubs, ASTM D 4157 #10 cotton duck, Wyzenbeek
Colorfastness to Light Class 4.5, 40 hours; AATCC Test Method 16, Option 3
Crocking Dry: Class 5, Wet: Class 5, AATCC Method 8
Flammability California technical bulletin 117, section E; NFPA 260 Cover Fabric, Class 1
Black M10

Black (M10)

Carbon M11

Carbon (M11)

Platinum M14

Platinum (M14)

Green M41

Green (M41)

Atlantic M51

Atlantic (M51)

Amber M81

Amber (M81)

Silver Check

Textile Code: C

This brilliant weave of monofilament strands and silver-coated yarns offers resiliency and durability. The award-winning mesh textile was designed to provide optimal ergonomic support and comfort by melding strength and flexibility. Like Humanscale`s other meshes, Silver Check has a low abrasion factor and is extremely gentle on clothing.

Technical Information
Content 74% Polyester, 26% Nylon
Width 54"
Weave Repeat 1/4" wide x 1/4" height
Finish Water repellent
Brush Pill Class 5, ASTM D-3511
Abrasion 90,000 double rubs, ASTM D-4157 #10 cotton duck, Wyzenbeek
Colorfastness to Light Class 4.5, 40 hours; AATCC Test Method 16, Option 3
Crocking Dry: Class 5, Wet: Class 5, AATCC Method 8
Flammability California technical bulletin 117, section E; NFPA 260 Cover Fabric, Class 1
Alloy C12

Alloy (C12)

Topaz C32

Topaz (C32)

Torque

Textile Code: T

A high-performance weave of nylon, polyester and urethane yarns, Torque was originally developed as a protective layer for motorcycle riders. Providing optimal ergonomic support and comfort by offering remarkable strength, flexibility and resiliency, Torque also has a low abrasion factor and is extremely gentle on clothing.

Technical Information
Content 47% Polyester, 46% Nylon, 7% Urethane
Width 57"
Weave Repeat None
Finish Stain and water repellent
Brush Pill Class 5, ASTM D-3511
Abrasion 150,000 double rubs, ASTM D 4157 #10 cotton duck, Wyzenbeek
Colorfastness to Light Class 5, 40 hours; AATCC Test Method 16, Option 3
Crocking Dry: Class 5, Wet: Class 5, AATCC Method 8
Flammability California technical bulletin 117, section E; NFPA 260 Cover Fabric, Class 1
Black T10

Black (T10)

Aluminum T13

Aluminum (T13)

Soleil T31

Soleil (T31)

Lagoon T61

Lagoon (T61)

Dash

Textile Code: A

Platinum (A14)

Platinum (A14)

Zink (A19)

Zinc (A19)

Option 5: Choose your Seat Cushion

Humanscale Liberty Task Chair - Seat Cushion Humanscale Liberty Task Chair - Foam and Gel Seat Cushion

Standard Foam

  • Carefully sculpted to match body contours.
  • Increased contact area reduces pressure points.
  • Modular for easy replacement.

Gel Seat Cushion:

  • Non-degradable, non-compressible Technogel layer on top of foam core.
  • Provides maximum pressure distribution
  • Offers unmatched, long-term comfort
  • Proven to reduce back muscle stress during sitting.
  • Available only with Vellum textile.

Option 6: Choose your Cylinder

Cylinder height refers to seat height (from floor to compressed front center of seat cushion)

Humanscale Liberty Task Chair with Cylinder

Cylinder Height:

  • Standard 5" cylinder adjustable 16" to 21" from floor. Appropriate for 95% of users.
  • Low 3.75" cylinder adjustable 15.25" to 19" from floor for small users
  • High 5" cylinder adjustable from 17" to 22.25" from floor for very tall users
  • Extra high 8" cylinder adjustable from 20.5" to 28.5" with 18" or 21" for use as high chair
  • Jury cylinder returns chair to forward facing position
  • Extra high cylinder with foot ring

Option 7: Choose your Caster

Standard Casters 3" dual-surface casters move easily on carpeted floors and quietly on hard floors
Glides Non-rolling glides for fixed location use

Option 8: Base Metal Accent

Base Caps:

  • Stainless steel caps on five-star base for wear protection and aesthetic appeal
  • Standard Base to Match Frame Color
  • Polished Base Caps on Polished Aluminum Frame
  • Polished Base Caps on Black or Silver Frame

Option 9: Fire Proofing

Fire Proofing:

  • Standard Foams and Plastics
  • Cal 133-approved Foams and Plastics
Model Liberty Task
Manufacturer Humanscale
Part Number Liberty Task

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Humanscale Liberty Task Ergonomic Chair