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  • Aeron Chair PostureFit Support Kit by Herman Miller - Graphite Size B
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Aeron Chair PostureFit Support Kit by Herman Miller - Graphite Size B


List Price: $145.00
Price: $100.00 & FREE Shipping. Details
You Save: $45.00 (31%)
In Stock.
Graphite Size B
  • The ultimate lumbar support addition to your Aeron Chair
  • Wishbone frame
  • Butterfly pad
4 new from $100.00 1 used from $20.00

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Aeron Chair PostureFit Support Kit by Herman Miller - Graphite Size B + VendorGear Headrest for Herman Miller Aeron Chair
Price for both: $249.95

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Size: Graphite Size B
  • Buy Used and Save: Buy a Used "Aeron Chair PostureFit Support Kit by Herman Mille..." and save 86% off the $145.00 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Product Details

Size: Graphite Size B
  • Shipping Weight: 2 pounds (View shipping rates and policies)
  • Origin: Made in USA
  • ASIN: B000LT6BFS
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (22 customer reviews)
  • Amazon Best Sellers Rank: #94,263 in Home & Kitchen (See Top 100 in Home & Kitchen)
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Product Description

Size: Graphite Size B

The butterfly pad is the central element of the device. It's what supports the pelvis, allowing it to sustain a forward rotation, keeping it from rolling backwards into the void between your lower back and the chair. It works in conjunction with the Pelli


Customer Questions & Answers

Customer Reviews

4.0 out of 5 stars
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Most Helpful Customer Reviews

7 of 7 people found the following review helpful By Robo21 on October 19, 2012
Size Name: Graphite Size B Verified Purchase
This is the second upgrade I have recently done to my Aeron Chair. This is even better than the pellicle fabric headrest as far as improving the Aeron for my back. I have enjoyed my Aeron Chair for over 10 years and even before these recent upgrades the chair has been a real benefit for my bad lower back (spondylolisthesis at L5). I decided to try the Posture Fit kit after reading the positive reviews here on Amazon. However I was concerned about the negative reviews posted here as well.

Let me reassure you, don't be influenced by the negative reviews! If you are currently sitting in an Aeron chair with the old lumbar pad you will love this upgrade. This kit offers vastly improved support. Yes, it takes about 10-15 minutes and some patience to install but it is relatively easy and well worth the effort.

The "butterfly pad" seems to rotate the pelvis forward by applying just the right amount of adjustable pressure to the lumbar area of the lower back. My only wish is that I had the Posture Fit and the headrest from the beginning. These improvements have transformed my chair into a precisely supportive cloud for my back. I am ecstatic - it feels like a new chair. The other add-on I highly recommend is:Headrest for Herman Miller Aeron Chair I believe both of these are "must-have" items for this great chair.

I am baffled by the negative reviews of this item, the installation was easy and the results outstanding.

Note: My wife has a healthy back and she loves the chair now so much I am afraid I am going to have to buy another. After installing the Posture Fit and sitting in the chair she exclaimed "Oh wow!" I concur.

UPDATE: 20 months later, still loving this modification to my Aeron Chair. The PostureFit support kit was a great add-on. Highly recommended.
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12 of 14 people found the following review helpful By Polar Shift on August 13, 2010
Size Name: Graphite Size A Verified Purchase
The foam lumbar cushion that originally came with my Aeron chair cracked and I wanted to replace it with the more aesthetic support kit, but my usual store asked for the serial number of my chair and told me that my chair was an older type that wouldn't take the kit. Still, I went ahead and ordered it, and although the fit is probably tighter than intended, I was still able to install it on my chair with no problem.

The new kit provides much better support than the old foam lumbar cushion. I had to constantly adjust the position of the lumbar cushion because it would cut into my back and become uncomfortable. On the other hand, the new kit presents a much larger supporting surface and its tension can be adjusted with a lever. As a result, the chair is comfortable even during extended use.

Conclusion: It's a wonderful upgrade well worth the price, and it looks great too.
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10 of 12 people found the following review helpful By Christopher Lye on January 12, 2008
Size Name: Graphite Size B Verified Purchase
I bought this kit because the regular lumbar support kept splitting (since it's basically made of foam). While this looks like it will be more durable than the lumbar support, and does provide some support - I found the design of the kit and the installation wanting. Despite Herman Miller's reputation for elegant design, this kit feel like a hack, requiring you to stretch (and potentially tear) into the pellicle backing of the chair in order to run a control cable thru. I guess I expected better from HM.
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11 of 14 people found the following review helpful By IraqiInAmerica on December 6, 2010
Size Name: Graphite Size C Verified Purchase
I agree with the other reviewers, this kit provides good support, but only if you need it in exactly the spot Herman Miller chose for you. It would have been much better if the pad could slide up or down so that it is possible to locate it more comfortably. Installation is relatively easy, but the need to punch a hole through the fabric as well as the installation of the control unit feel like an afterthought and not the level of design you'd expect from a company like Herman Miller or from an expensive chair like the Aeron. It is a shame that the choice is between a kludgy device and the foam pad which breaks about once every two years.
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3 of 3 people found the following review helpful By T. Tom TOP 500 REVIEWERVINE VOICE on October 13, 2010
Size Name: Graphite Size C
This is definitely more comfortable than the lumbar support since it supports below your lumbar region, your pelvis/upper butt. With just the lumbar support, my lumbar region of my back was supported but I felt like my butt was not supported, especially when tilted up. This kit solves that wonderfully and I feel like I can sit in the Aeron forever now without feeling any pain or fatigue in my butt or my back.

I agree with other reviews though, the installation is a bit kludgy because you basically have to force the tip of the wire through the mesh pellicle material on the rear bottom of the chair! I guess the pellicle material is quite sturdy and Herman Miller knows what they are doing. It's probably meant to stretch, although installing this kit really did not instill a sense of confidence at all.

For support though, I really recommend this kit!
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2 of 2 people found the following review helpful By Skyler T on January 15, 2014
Size Name: Graphite Size C Verified Purchase
If you are seriously thinking about it just stop right now and BUY IT.

I recently strained my lower back and decided to purchase the PostureFit. After sitting in it for a week I can safely say I wish I bought it when I got the chair. It is not lumbar support. It actually works to strengthen your lumbar and straighten your spine by forcing the pelvis forward. Just Google "PostureFit Design Story"

If your only worry is the installation, just stop right now and BUY IT.

It's super easy to install. There is a little booklet with instructions a child could follow. There are also installation videos online. If you know what you're doing it takes about 5 minutes. Expect to spend 15 minutes or so if it is your first. The wire is blunt tipped and is never in danger of damaging the chair.
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