---
product_id: 3558017
title: "Herman Miller Aeron PostureFit Support Kit Add-On - Graphite - Size B"
brand: "herman miller"
price: "KD 49.92"
currency: KWD
in_stock: true
reviews_count: 5
category: "Herman Miller"
url: https://www.desertcart.com.kw/products/3558017-herman-miller-aeron-posturefit-support-kit-add-on-graphite-size
store_origin: KW
region: Kuwait
---

# Minutes to install Patented PostureFit tech 3-year Herman Miller warranty Herman Miller Aeron PostureFit Support Kit Add-On - Graphite - Size B

**Brand:** herman miller
**Price:** KD 49.92
**Availability:** ✅ In Stock

## Summary

> 🪑 Upgrade your throne—because your back deserves the best.

## Quick Answers

- **What is this?** Herman Miller Aeron PostureFit Support Kit Add-On - Graphite - Size B by herman miller
- **How much does it cost?** KD 49.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/3558017-herman-miller-aeron-posturefit-support-kit-add-on-graphite-size)

## Best For

- herman miller enthusiasts

## Why This Product

- Trusted herman miller brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Upgrade:** Install in minutes with simple tools—feels like a factory-original enhancement.
- • **Customizable Comfort:** Adjustable knob lets you dial in support from subtle to firm without removing parts.
- • **Durable & Guaranteed:** Backed by Herman Miller’s trusted 3-year warranty for peace of mind.
- • **Seamless Compatibility:** Designed exclusively for Size B Classic Aeron chairs with Tilt Limiter for perfect fit.
- • **Ergonomic Sacral Support:** Patented PostureFit tech aligns your spine for all-day comfort and reduced lower back pain.

## Overview

The Herman Miller Aeron PostureFit Support Kit Add-On (Graphite, Size B) is a patented ergonomic accessory designed to enhance sacral support and promote healthy spinal alignment in Classic Aeron Size B chairs with Tilt Limiter. Easy to install in minutes, it offers adjustable comfort and comes with a 3-year warranty, transforming your chair into a premium posture solution.

## Description

Herman Miller’s patented PostureFit Kit provides back support at the base of your spine, or sacral region, helping your pelvis maintain a natural forward tilt to prevent slouching. By doing so, PostureFit keeps your spine in healthy alignment to help eliminate lower back pain. The Classic Aeron PostureFit Support Kit is recommended for people who sit up straight in their chair to perform tasks. It is compatible with all sizes (A, B, or C) of Classic Aeron Chair and Classic Aeron Stools, provided the chair has a Tilt Limiter option. To identify whether your Classic Aeron has a Tilt Limiter, reach down with your left hand while sitting in the chair; if you locate one or two levers attached to the chair’s tilt mechanism, your Classic Aeron has a Tilt Limiter. To find the size of an Classic Aeron Chair, stand behind the chair and feel for the raised dots under the top edge of the back frame. One dot is Small size, two dots in a row is Medium size, three dots in a triangle is Large size. Care & Maintenance: For normal cleaning, wash plastic surfaces with a soft cloth soaked in mild detergent and warm water. Rinse thoroughly and dry with a soft cloth. Do not use solvents or abrasive kitchen cleaners.

Review: Not the same as lumbar support, a little better. - This supports the back from the base of the spine, and doesn't feel as extreme as the lumbar support. That said, it does provide all the support needed and it is a nice adjustable upgrade for the Aeron. The previous "old" lumbar support only has two support settings, and to select between a little support and a lot, it requires removing the support bar from the chair, flipping it over, and reinstalling it. For the PostureFit, the adjustment can be made using a knob for a little support, a lot of support, and everything in between. The pieces fit on the frame in a way where the original designers apparently planned for this type of addition. There's a hidden bump/tab that helps align the bracket for the knob. Initially the bracket was a little tricky to get aligned, but it's because the pieces fit so tightly together. Fits on the Aeron in a way that makes it feel like it came this way from the factory. Despite what the manual says, the PostureFit kit can be installed with a Philips head screwdriver and nothing else. There are YouTube videos for help installing if you get stuck, but I feel that the written instructions are reasonably written and the illustrations are sufficient. The bottom of the support is pulled toward the front of the chair by a cable. This cable is held in place by a bracket, but most importantly, the cable passes straight through the mesh back rest. I do not think it is possible to install it without widening a small hole in the mesh back rest. I was very careful during the install, but there is still a small widened area of mesh where the cable passes through. This means that once you install the kit, even if you remove the kit, there will always be a small hole in the base of the mesh back rest. I double checked the location for mine, and it is so low on the back rest that it is below the seat bottom. This means it is only visible from behind the chair. If this sort of irreversible change bothers you, this kit may not be for you as replacement back rests can be very expensive. If you already have a lumbar support on the chair, I am not sure that this kit is worth the money. In the absence of lumbar support on the chair, this kit is absolutely worth the money.
Review: Nice support; more sacral than lumbar - Your attitude toward this is going to be about how it feels to you; it feels very good to me. I'm quite tall, so in my case, the more sacral support that this provides works. Your experience will vary with your own body. Installation is really no big deal. I'll answer the questions I had that the installation videos that one can find online didn't answer for me; hope that'll be useful to someone. The kit will ship with two clips; the more substantial one is for pre-2014 chairs, while the smaller one is for chairs manufactured after 2014. It'll be obvious which one you need. I found it much easier to mount the clip before making the hole in the fabric; in this manner you know exactly where the hole needs to be. To make the hole, use a pencil -- what you're trying to do here is just enlarge an existing hole in the fabric, not cut it, so the increasing radius of a pencil point works well. You then remove the pencil, poke the cable through and the fabric will re-close around it. Finally, there's a mystery piece of plastic, vaguely U-shaped; this is called the 'applique'. It rolls around the back of the seat pan, from the top, straddling the cable, and clips into place. Overall, a very comfortable upgrade, and actually quite easy to install.

## Features

- Compatible with all size B Classic Aeron Chair and Classic Aeron Stools, provided the chair has a Tilt Limiter option.
- This is the support kit ONLY - chair is not included
- Installation takes minutes and will feel like a brand new chair.
- Solution for a healthful posture and significant improvement toward lower back support in a work chair.
- Comes with a 3-year Herman Miller warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000LT6BFS |
| Additional Features | Patented PostureFit Technology |
| Age Range Description | Adult |
| Arm Style | Armless |
| Back Style | Solid Back |
| Best Sellers Rank | #1,018,520 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,792 in Home Office Desk Chairs |
| Brand Name | Herman Miller |
| Color | Graphite |
| Customer Reviews | 4.1 4.1 out of 5 stars (256) |
| Fill Material | Foam |
| Finish Types | Plastic |
| Frame Material Type | Aluminum |
| Furniture Finish | Plastic |
| Included Components | Herman Miller Aeron PostureFit Support Kit |
| Indoor Outdoor Usage | Indoor |
| Is Customizable? | No |
| Is Foldable | Yes |
| Item Weight | 1.3 Pounds |
| Leg Style | Pedestal |
| Manufacturer | Herman Miller |
| Manufacturer Warranty Description | Herman miller's 12-year warranty covers everything that makes up their standard office furniture products—including electrical components, casters, pneumatic cylinders, tilts, and all moving mechanisms. |
| Material Type | Lyris |
| Maximum Weight Recommendation | 300 Pounds |
| Model Name | Classic Aeron |
| Model Number | AE905BG1 |
| Pattern | Solid |
| Reclining Position Count | 1 |
| Required Assembly | Yes |
| Room Type | Kitchen |
| Seat Depth | 16.81 inches |
| Seat Material | Plastic |
| Shape | U-Shaped |
| Size | Size B (Medium) |
| Style Name | Modern |
| Surface Recommendation | Hard Floor |
| Tilting | No |
| UPC | 616639732047 782794007051 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Herman Miller
- **Color:** Graphite
- **Item Weight:** 1.3 Pounds
- **Material:** Lyris
- **Size:** Size B (Medium)

## Images

![Herman Miller Aeron PostureFit Support Kit Add-On - Graphite - Size B - Image 1](https://m.media-amazon.com/images/I/71eQ8RbGCwL.jpg)
![Herman Miller Aeron PostureFit Support Kit Add-On - Graphite - Size B - Image 2](https://m.media-amazon.com/images/I/314DzsxhP3L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: what is the difference in the sizes ? A-C?**
A: They correspond to the size of your chair.  To find out what size your chair is, do this: rotate your chair until you are viewing the back of the chair. Place your hand on the top of the back frame that is shaped like a handle. On the back side of the piece are raised dots indicating which size chair you have. Three dots are used for size C chairs, two dots for size B and one dot for size A. If you need assistance locating the size indicator, please give Herman Miller a call at 888.798.0202.

**Q: Would this purchase just be the kit for the chair?**
A: Yes, this kit comes with the Lumbar Support and associated hardware needed to attach to a Classic Aeron.

**Q: One hundred dollars for this piece of plastic??**
A: This is the entire kit with control knob and rear Posturefit assembly.  BACKSTORE

**Q: Does this work with the newer 2018 Remastered Aeron chair?**
A: it's for all sizes classic Aeron chairs only , not for Remastered Aeron chair ,
Thanks

## Customer Reviews

### ⭐⭐⭐⭐⭐ Not the same as lumbar support, a little better.
*by B***N on July 31, 2019*

This supports the back from the base of the spine, and doesn't feel as extreme as the lumbar support. That said, it does provide all the support needed and it is a nice adjustable upgrade for the Aeron. The previous "old" lumbar support only has two support settings, and to select between a little support and a lot, it requires removing the support bar from the chair, flipping it over, and reinstalling it. For the PostureFit, the adjustment can be made using a knob for a little support, a lot of support, and everything in between. The pieces fit on the frame in a way where the original designers apparently planned for this type of addition. There's a hidden bump/tab that helps align the bracket for the knob. Initially the bracket was a little tricky to get aligned, but it's because the pieces fit so tightly together. Fits on the Aeron in a way that makes it feel like it came this way from the factory. Despite what the manual says, the PostureFit kit can be installed with a Philips head screwdriver and nothing else. There are YouTube videos for help installing if you get stuck, but I feel that the written instructions are reasonably written and the illustrations are sufficient. The bottom of the support is pulled toward the front of the chair by a cable. This cable is held in place by a bracket, but most importantly, the cable passes straight through the mesh back rest. I do not think it is possible to install it without widening a small hole in the mesh back rest. I was very careful during the install, but there is still a small widened area of mesh where the cable passes through. This means that once you install the kit, even if you remove the kit, there will always be a small hole in the base of the mesh back rest. I double checked the location for mine, and it is so low on the back rest that it is below the seat bottom. This means it is only visible from behind the chair. If this sort of irreversible change bothers you, this kit may not be for you as replacement back rests can be very expensive. If you already have a lumbar support on the chair, I am not sure that this kit is worth the money. In the absence of lumbar support on the chair, this kit is absolutely worth the money.

### ⭐⭐⭐⭐⭐ Nice support; more sacral than lumbar
*by A***T on August 20, 2020*

Your attitude toward this is going to be about how it feels to you; it feels very good to me. I'm quite tall, so in my case, the more sacral support that this provides works. Your experience will vary with your own body. Installation is really no big deal. I'll answer the questions I had that the installation videos that one can find online didn't answer for me; hope that'll be useful to someone. The kit will ship with two clips; the more substantial one is for pre-2014 chairs, while the smaller one is for chairs manufactured after 2014. It'll be obvious which one you need. I found it much easier to mount the clip before making the hole in the fabric; in this manner you know exactly where the hole needs to be. To make the hole, use a pencil -- what you're trying to do here is just enlarge an existing hole in the fabric, not cut it, so the increasing radius of a pencil point works well. You then remove the pencil, poke the cable through and the fabric will re-close around it. Finally, there's a mystery piece of plastic, vaguely U-shaped; this is called the 'applique'. It rolls around the back of the seat pan, from the top, straddling the cable, and clips into place. Overall, a very comfortable upgrade, and actually quite easy to install.

### ⭐⭐⭐⭐ It's better than the standard lumbar with a caveat -- please read before buying.
*by M***Y on July 25, 2022*

Okay, so first the pros. This thing is insanely easy to install and takes maybe 10 minutes of modification to be up an running. Kudos for being consumer friendly on that front. My chair is an '07 and it installed with no issue. (P.S. I installed solely with a Philips screwdriver fyi). Second pro is this lumbar support does provide a more even support than the standard Herman Millar lumbar pad and for what it's worth... is an upgrade. HOWEVER, what you should know before buying is that this lumbar support sits VERY low on the back. I'm a fairly short person (5'5") and I would argue this support is a hair too low for me. However, if I keep it on medium support then I don't notice after about 15 minutes of work. I was hesitant to give this 4 stars as I can easily see this being a bigger problem for taller individuals who use size B Herman Miller's. BUT, my lumbar does feel more supported with this than without. So it does do it's job with the caveat of putting up with the sensation of something touching your lower lumbar. Short version-- this sits very low for a lumbar support but Herman Miller Aeron's are better with this support than without? So it's a weird catch 22.

## Frequently Bought Together

- Herman Miller Aeron PostureFit Support Kit Add-On - Graphite - Size B
- Herman Miller Replacement Classic Aeron Office Chair Seat Foam, Fits Medium Size B and Small Size A
- The Original Rollerblade Office Chair Wheels (As Seen On PBS) - Incredibly Smooth & Quiet Rolling Casters - Safe for Hardwood Floors & Carpet - Easy Installation with Universal Fit - Set of 5 - Black

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.kw/products/3558017-herman-miller-aeron-posturefit-support-kit-add-on-graphite-size](https://www.desertcart.com.kw/products/3558017-herman-miller-aeron-posturefit-support-kit-add-on-graphite-size)

---

*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-03-20*