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I replaced an old and much loved Herman Miller Ergon with the Knoll Life chair after trying most of the current major favorites

by: sgarch

on Life® Chair

Aeron® Chair with Posturefit®

The Aeron PostureFit® provides additional support to the pelvis as it tilts naturally forward, so that the spine stays aligned. The Aeron PostureFit® features a pneumatic height adjustment, tilt limiter, seat angle and adjustable arms.

Click here to view our In Stock Highly Adjustable Aeron Chairs

Download the Aeron Product Brochure Here.

Environmental Standards:
		94% Recyclable

Reviews

I sit on my buttox for at least 13 hrs a day...

Read the full review.

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Overview
Design Story
'As Seen On'
Size Chart
Adjustments
Environment
Reviews

GREENGUARD™ certified, 94% recyclable and 66% of the chair material was derived from recycled resources.

A Work Chair Solution

Combining distinctive looks with pioneering ergonomics, Aeron performs like no other chair. It adapts naturally and adjusts precisely to fit people of all sizes and postures doing all kinds of activities, all day long. The imaginative design of the work chair, work stool, and side chair gives superior comfort, body support, and style that are widely copied but never matched.

High-performance, long-term seating in three sizes with a full complement of adjustments and innovative suspension; for computer work, general office work, and casual or formal meetings.

The PostureFit® Difference

This PostureFit support fits on the back of an A, B, or C size Aeron work chair. It provides a custom fit in the lower back area, below the belt line, that helps achieve healthier posture and improved lower back comfort. The user can adjust the level of support with a lever.

Notes:

Existing Aeron chair should include the tilt limiter option for optimal performance

Comfortable Suspension

Healthful support. The strong Pellicle suspension system distributes weight evenly over the seat and back.
Form-fitting. The Pellicle conforms to each person's shape and minimizes pressure.
Aeration. Since air can pass through the Pellicle, the sitter stays cool and comfortable.

Natural Tilt

Smooth ride. The Kinemat tilt lets people move naturally and effortlessly, from forward-leaning through reclining.
In sync. The backrest and seat pan move in proper relation for correct support in all positions.
Responsive. Whether the user is in motion or at rest, the chair spontaneously supports the preferred posture.

Distinctive Aesthetics

Inclusive look. Blends both classic and contemporary influences for a unique appearance that fits in wherever it's used.
Pellicle choices. Three unique Pellicle weaves in a choice of neutral colors coordinate with lighter-scaled contemporary environments.

"We wanted a totally
new kind of chair."

Herman Miller turned to designers Don Chadwick and Bill Stumpf to design a totally new kind of chair. Chadwick's and Stumpf's previous collaboration had produced the groundbreaking Equa chair.
The two designers began this development process with a clean slate, with no assumptions about form or material, but with some strong convictions about what a chair ought to do for a person.
Ergonomically, it ought to do more than just sit there. It should actively intercede for the health of the person who sits in it longer than she should.

Functionally, it ought to move and adjust as simply and naturally as possible. It should support a person in any position he cares to assume, at any task his office job serves up.
Anthropometrically, it ought to be more inclusive than its predecessors. It should do more than accommodate small or large people; it should really fit them.

Environmentally, it ought to be benign. It should be sparing of natural resources, durable and repairable, designed for disassembly and recycling. The design that fulfilled these criteria met all expectations and shattered some of them. It wasn't upholstered. It wasn't padded. It was dimensioned in three models that looked exactly alike and that had nothing to do with their users' job titles. It didn't look like any other office chair. And its revolutionary concept incorporated more patentable ideas than any previous Herman Miller research program.
"It was a matter of deliberate design to create a 'new signature shape' for the Aeron chair," says designer Bill Stumpf. "Competitive ergonomic chairs became look-alikes. Differentiation was a huge part of the Aeron design strategy, and it remains one of, if not the most, critical aspects of Aeron's success.

Made largely of recycled materials, the Aeron chair is designed to last a long time, with parts that get the most wear easily replaced and recycled. Just what you would expect in a well thought-out design.

"The human form has no straight lines, it is biomorphic. We designed the chair to be above all biomorphic, or curvilinear, as a metaphor of human form in the visual as well as the tactile sense. There is not one straight line to be found on an Aeron chair.

"The Pellicle was equally a deliberate design strategy in that its transparency symbolizes the free flow of air to the skin in the same way lace, window screens, and other permeable membranes permit the flow of air or light or moisture. The transparency of the chair as a visual element was in keeping with the idea of transparent architecture and technology, which Aeron pioneered in advance of Apple's transparent iMac computers. Transparency is a major design movement. Its purpose is to make technology less opaque, to communicate the inner workings of things, and to make objects less intrusive in the environment. Aeron is a non-intrusive chair."

Although it reveals its aesthetic heritage in lyrical shapes reminiscent of George Nelson designs, organic forms that recall the work of Charles Eames, and a spare, athletic aspect that brings to mind its designers' Equa chair, the Aeron chair finally looks only like itself. Its unique form expresses its purpose and use and the material composition of its parts and the way they connect. The slightly transparent and reflective nature of its surfaces gives it an airy quality. It becomes a part of the person who uses it and the environment that surrounds it.

The Aeron design was refined and validated through research and experts' opinions:
- It was tested for comfort with scores of users, pitting it against the best work chairs available.
- Leading ergonomists, orthopedic specialists, and physical therapists evaluated the chair's fit and motion, the benefit and ease of its adjustments.
- The design team conducted anthropometric studies across the country, using a specially developed instrument to calculate everything from popliteal height to forearm length.
- The research team did pressure mapping and thermal testing to determine the weight distribution and heat- and moisture-dissipating qualities of the Pellicle material on the chair's seat and back.
- Field studies using a specially-designed measuring device examined the relationship between sizes of people and their preference for chair size (Dowell 1995b). Measurements of 224 people--in a sample that was evenly distributed between men and women and that closely reflected the distribution of the U.S. population on most dimensions--found that of all the anthropometric dimensions measured, height and weight had the strongest relationship to chair size preference. The relationship is strong enough to allow us to recommend one of the three chair sizes based on those dimensions.ta

Possibly the most recognizable office chair in the world, the Aeron's fame spans television, movies, books, and cutting-edge office spaces. Its innovative design and ergonomics have made this chair a true icon for modern style and health-conscious seating, and pop culture has been quick to use the Aeron in representing modern, cool office spaces or individuals. The numerous on-screen cameos the Aeron has made would make even the most accomplished actor envious:

Television:

30 Rock - Tina Fey's character Liz Lemon sits in an Aeron in her sensibly designed NYC office.
The Office - Dundler Mifflin New York offices are stylishly equipped with Aeron office chairs.
House - In the memorable scenes where Dr. House sits in a chair tossing a tennis ball off of his wall, he is sitting in an Aeron.
Will & Grace - Featured the Aeron as the center of an entire episode, titled 'Chair Envy'.
West Wing - The White House Press Secretary played by Claudia Jean Cregg is often seen sitting in an Aeron.

Simpsons - In an episode where Homer meets God, he is sitting in nothing less than an Aeron

Movies:

Casino Royale - The technologically advanced and sleek Aeron is perfectly at home in the offices of MI-6.
Hard Candy - The head detective Jeff Kohlver, played by Patrick Wilson, has an Aeron in his office in this psychological thriller.
Keeping Up With The Steins - The Aeron makes an appearance in this film about a wealthy Jewish family planning their son's Bar Mitzvah

Books:

Blink - The best-selling novel by renowned author Malcolm Gladwell features a section detailing the design story of the Aeron, noting that it was instinct rather than planned thought that inspired the innovative chair's design.

Modern Office Spaces:

Facebook's offices are decorated with Aeron chairs (bottom right)

You can also see the Aeron Chair in the Museum of Modern Art, where it has been part of the museum's permanent collection since 1992 because of its cutting-edge design and excellent ergonomics. But, you don't have to be a museum curator or design expert to enjoy the Aeron. as the iconic chair is available in a range of styles and colors here at Sit4Life.com.


Seat Height Paddle-shaped lever on right side To raise: While taking your weight off chair, lift lever up. To lower: While seated, lift lever up. Click here to watch a video.	Kinemat® Tilt Tension Long stem on right side with knob To increase tension: While seated, turn knob forward (clockwise, toward + sign). To decrease tension: While seated, turn knob backward (counterclockwise, toward – sign). Depending on the desired tilt resistance, a number of turns may be required. Click here to watch a video.


Arm Height Lever on base of arm support To raise or lower arm: While seated, lift lever to unlock. Grasp base of arm support and raise or lower to desired height. Lower lever to lock. Click here to watch a video.	Arm Angle Front of each armpad To swing arms in or out: While seated, grasp front end of armpad and pivot it to the left or right. Click here to watch a video.


Forward Tilt Front lever on left side To position chair forward: Lean back and lift lever all the way up. Lean forward. To resume horizontal position: While seated, push lever all the way down. Lean back. Click here to watch a video.	Tilt Limiter Rear lever on left side To limit tilt range: Recline as far as you like. Move lever up to define the limit of recline. You can still move forward. Readjust as necessary. To release tilt limiter: Lean forward, press lever down. Click here to watch a video.


Lumbar Depth (Lumbar option only, not on Basic or Posture-Fit) Thick pad on back of chair To adjust depth: Using equal pressure on each end of lumbar support pad, lift it out of its track in back of chair. Flip it over and replace in track. (Notice that one side of support pad is thicker than the other side.) Click here to watch a video.	Lumbar Height (Lumbar option only, not on Basic or Posture-Fit) Thick pad on back of chair To change height: Using equal pressure on each end of lumbar support pad, raise or lower it to desired position within adjustment track. Click here to watch a video.


PostureFit® Adjustment (not on Basic or Lumbar chairs) Knob on right side of chair To engage: While seated, turn knob forward (clockwise) until it stops. Then turn knob backward (counterclockwise) until you find the support that feels right for you. To disengage: While seated, turn knob backward (counterclockwise). Click here to watch a video. Note: Set PostureFit with tilt limiter engaged in forward position to achieve the best fit for you.	Fine-Tune™ Footring Height Long stem on left side with knob To raise: While seated, lift your feet off the footring, turn knob forward. To lower: While seated, lift your feet off the footring, turn knob backward. Note: Only available on work stool models

Consider the graphite frame with lumbar instead.

Written by James from PA
Apr 4, 2010

I got the fully loaded Posturefit model with the titanium frame and quartz color fabric with premium leather arms. Prior to my purchase I have used a standard graphite frame with lumbar model, which I loved. Two major criticisms, the Posturefit is not as comfortable as the lumbar support version and although the titanium frame looks great it squeaks a lot. It noise is mainly from the arms when I put pressure on them. Yes they are tight, but unlike the graphite frame they make noise.

Ultra cool and ergonomically sound

Written by ortelius from TX
Dec 22, 2010

Bought 2 of the fully loaded Posturefits with the polished alu frame and leather armrests during annual Herman Miller sale. Never looked back. These chairs are great in every way and they look fantastic. Ergonomically this one of the best desk chairs you can buy.

Aeron Chairs Rock!

Written by Mizzle from NJ
Jan 12, 2011

The adjustable PostureFit makes me feel more productive at work. With all the different adjustments, my back pain has been relieved and my posture has been corrected. I feel great.

Can't Destroy Them

Written by Arnie from NV
Feb 6, 2012

We use only Aeron chairs in our office. Mine in particular takes a pounding. I am going on a diet soon, I swear. Whatever you do to these chairs they will not tear. And show no wear. And they are great for my bad back. Mark me down as a satisfied customer.

Very Comfortable!

Written by Gene from PA
Feb 6, 2012

Everything I expected, easy to assemble and easily adjustable. Quiet motion. Wearing well after a couple of years use. Comfortable, easy on the back.

Love my chair

Written by Combi from CA
Feb 6, 2012

It's comfortable, but also has a very solid supportive feel to it. It has all the adjustments I need.

Awesome Chair...Awesome Service

Written by Jampa from CA
Feb 6, 2012

I purchased a Hermann Miller Aeron chair from Sit 4 Less and couldn't be happier with the product. Sit 4 Less promptly shipped my chair and it arrived in perfect condition. I highly recommend Sit 4 Less and wouldn't hesitate to purchase from them again.

Worth the money spent

Written by Isa from WY
Feb 7, 2012

Excellent ergonomic chair. Great because it is sized according to person's height and weight. Comfortable for seating long periods of time. Back pain was gone after using it for a week.

Everything I expected

Written by Jack from CA
Feb 7, 2012

Relieved a chronic back issue for me... priceless...

Recording Studio Heaven

Written by David from FL
Feb 7, 2012

I'm a record producer/engineer and I don't know of too many studios that don't have an Aeron chair behind the mixing console. I'm proud to say that the one I purchased for my home studio is holding up well after 2 years of daily use. It's as comfortable as the first time and it take quite a beating. A great investment. Thank you.

It's a great chair

Written by sittingpretty from NY
Feb 7, 2012

This chair looks good and is extremely comfortable. I have much less back stiffness after sitting for long periods. Highly recommended.

I love the product

Written by Gerry from Intl
Feb 7, 2012

I love the product - it behaves flawlessly as expected - a great improvement !

Great Chair

Written by Ragin Cajun from AL
Feb 7, 2012

The Aeron PostureFit chair is the best. Great for people that have to sit at a computer all day. Relives a lot of the back fatigue. Keeps your posture correct. Really good chair.

Aeron Chair - dissapoints

Written by RonnieG from CA
Feb 7, 2012

Overall, I like the fit and feel of the chair;however, the quality is a little dissapointing. The hight changes on its own over time. Seems like the hydrolics looses pressure. In addition, the arm rests do not stay tight and wobble thou matter how many times i have tried to adjust them and tighten them.

great chair

Written by fossfrog from CA
Feb 7, 2012

Love my Aeron chair. I didn't realize they came in so many sizes and colors. So, instead of getting the big black one like my husband has, I had many options from Sit4Less and got the one just right for me. It came in a timely manner, well packaged with all the right parts. Easy to do the minor assembly. The website is easy to negotiate.

Butt heaven !

Written by jimmyfitz from CT
Feb 7, 2012

I'm old and thin and boney....This chair handles these and other problems effortlessly. It's a great sit. It's butt heaven ! My head works better too but I'm not sure if it's the chair Thank You Herman !

Great Chair

Written by Customer1047 from CA
Feb 7, 2012

To put it simply, the Aeron Chair exceeds all my expectations. I work for hours at a time in front of the computer and need a comfortable, adjustable chair. The Posturefit is adjustable and provides support for my injured, lower back. Like most people, I do rock in my chair periodically to ease stiffness. Being able to set the chair's back-and-forth tension makes it an effortless and natural motion. Also, I like that the arm rests can swing in or out depending on your elbow resting position. Even after 20 years, the Aeron Chair still look great and is highly functional.

Great Chair

Written by Lynda from WA
Feb 7, 2012

We love our Aeron Chair. Without doubt, it is the most comfortable office chair we have ever used or owned. It has wonderful back support. We would buy no other.

Love it!!!

Written by Ana Paula from Intl
Feb 7, 2012

I love the Chair and Sit 4 Less service was perfect!

AeRon Owns All!

Written by Von from MO
Feb 7, 2012

I sit on my buttox for at least 13 hrs a day. This chair w/the lumbar support, pelican mesh, adjustable back/height and luxuries leather arm rests makes my time behind the PC all that more enjoyable! Well worth every 930 US dollars I paid for it!

Style, comfort, rub

Written by Fred from WA
Feb 7, 2012

I've enjoyed about ten years on my Aeron Posturefit. It has been the most comfortable office chair I've ever had. Visitors are impressed with the style. Negative: lumbar support placed in low position causes a rub against the seat when leaning back. This has caused the mesh to disintegrate; chair back needs to be replaced soon.

The amazing Aeron® Chair with Posturefit®

Written by a102f35 from CA
Feb 7, 2012

The Aeron® Chair with Posturefit® is an amazing chair. I have had the chair for over one year now and use it every day. It was purchased for my home office. I wish I could convince my employer to purchase this combination for my office. The chair has excellent back support and is extremely comfortable, even for long stretches. Adjustments to tailor the chair for individual preferences are simple and add to the overall comfort.

Love this chair

Written by Bill from MA
Feb 8, 2012

This has to be the most comfortable chair in every way.

Good Chair, Hard Assembly

Written by Nic from NY
Feb 14, 2012

I've had my Aeron Chair with Posturefit for eight months. I like it. My only problem was that the assembly of the Adjustable PostureFit Support was frustrating and difficult. Getting the cable to follow a pencil point thru the fabric in a place where you can't see it or touch it at the same time was almost impossible.

Very Comfortable

Written by Charger from FL
Feb 28, 2012

Ordered several of these chairs over the past few years for coworkers. All appreciate the features and adjustments. This is the chair I order when someone needs good back support.

Great Chair

Written by Steelers Fan from IN
Mar 22, 2012

The chair is cool on your back unlike most leather chairs. It is very comfortable and adjusts in more ways then i can write. I love the back support system.

Amazing chair

Written by GillesA from WA
Oct 11, 2012

This chair is incredible. While I had permanent back problems, they are almost gone with this chair. I will buy another one for my home !!

Amazing chair

Written by Gilles1215 from WA
Oct 12, 2012

That chair is so comfortable my backache vanished.

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Aeron® Chair with Posturefit®

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Available in three sizes, the Aeron has a full complement of adjustments and innovative suspension for computer work, general office work, and casual or formal meetings. The Aeron is a breakthrough that provides natural, custom-fitted lower back support for healthier posture and outstanding comfort for all sizes.
Use this chart to first locate your approximate weight then locate your height. At the intersection where these two numbers meet is your chair size. Choose from sizes A, B, or C.
	Size A: For shorter and lighter users. Size B: For medium height and weight users. Size C: For taller and heavier users.