Closed for Christmas - We’re spending time with family and appreciate your patience when reaching out this week. Happy Holidays!

Year End Sale

EXTRA 24% Off Returns (both Steelcase & Haworth)

RETURN24
Shop Now
1 2
Crandall Office Furniture

Herman Miller Aeron Classic Under Seat Foam Insert (New & Improved)

$1999
Free US Shipping on All Orders

Delivery and Shipping

Chair parts typically ship in 1-3 business days via FedEx Ground. All part prices include shipping within the continental United States.

You will receive an email with tracking information as soon as your chair ships.

Chair parts pickup at our Greenville, MI facility is always an option, reach out to our team for more information.

Buying in Bulk?

Looking to purchase other chair parts in large quantities?

Click Here to get a discounted chair parts quote for purchasing in quantity.

Product Installation

Installing your replacement office chair casters is a very quick and simple process, outlined in the video below:

Product Overview Video

Take a closer look at our Herman Miller Aeron Classic Under Seat Foam Insert (New & Improved):

Description

Upgrade the comfort of your Herman Miller Aeron Classic chair with our New and Improved Under Seat Foam Insert.

  • Designed for Aeron: Designed exclusively for the Herman Miller Aeron chair, ensuring a perfect match.
  • Improved Material: Crafted from high-quality polyurethane foam, the same material used in our arm pads, for long-lasting performance.
  • Added Comfort: Adds extra padding under the front edge of your Aeron seat, improving overall comfort and support.
  • Quick Installation: Easily installs without tools, restoring your chair’s comfort to like-new condition.
  • Warranty: Backed by a 2-year warranty for added peace of mind.
  • Made in USA 🇺🇸: Proudly designed, tooled, and produced in Michigan.

Specifications

  • Warranty
    2 Years

Reviews (3)

Customer Reviews

Based on 3 reviews
67%
(2)
33%
(1)
0%
(0)
0%
(0)
0%
(0)
J
Jay K.
Aeron Classic Under Seat Foam Pad

It's like I have a whole new chair!! Well, no... not really, but cleaning up my 25 year old chair before installing this new pad made a huge difference (and it was quite gross) - the seat pad replacement is just the cherry on top. Would I buy this again? I mean, yeah - but the replacement seat pad doesn't seem like it'll dissolve over 25 years like the original one. Regardless, I will buy parts from Crandall in the future.

B
Beauregard S.
Aeron Classic Under Seat Foam Pad

Great replacement for the foam pad. I hesitate to give 5 stars only because it noticeably firmer and thicker than the oem pad, which I do understand was intentional, it just tends to dig into my thighs a bit. I am hoping that over time it squishes more.

T
Tom F.
Aeron Classic Under Seat Foam Pad

This Aeron seat foam pad appears to be just like the original Aeron seat foam pad that it replaced, unlike the other FOAM pad that I also tried. I sent that one back because it was too thick and firm, and created a ridge under my thighs. This one feels perfect!

Warranty / Returns

We stand behind the quality of our products. All parts, including these Steelcase Leap chair parts, are backed by a 2-year warranty.

Crandall Office Furniture offers a 30-day return policy on all chair parts. Return shipping costs are the responsibility of the buyer.

We're here to help! If you have questions, contact our support team.

  • Free shipping

    All Parts Ship Free

  • 2 Year Warranty

    We Stand by Our Parts

  • Satisfaction Guarantee

    30 Day Returns

  • High Quality

    Trusted Superior Construction

Premium Parts Made Exclusively for the Aeron Chair

OEM Quality Aftermarket Chair Parts by Crandall

The Herman Miller Aeron Classic is one of our best-selling chairs, and we’ve invested significant time and resources into developing the highest quality aftermarket parts to support it. These parts are also available for purchase, so you can upgrade or repair your chair with the same high-quality components we use.

  • Premium OEM Quality: Parts meet or exceed original specifications for top quality and reliability.
  • Perfect Fit: Each component has been designed specifically to fit your Herman Miller Aeron Classic chair.
  • Cost-Effective: Extend your chair's life without the expense of buying new, saving you money while maintaining quality.

If you’re seeking premium aftermarket parts to upgrade or repair your Herman Miller Aeron chair, look no further. We’ve got you covered with the best replacement parts available.

Shop All Herman Miller Aeron Chair Parts

View all

Full Refurb Kit

Refresh your Steelcase V2 Leap Chair with our premium refurb kit! This kit restores comfort and functionality, giving your chair a second life at a fraction of the cost of buying new. Upgrade today!

View V2 Leap Refurb Kit

Frequently Asked Questions

When Will My Parts Ship?

We provide up to date shipping lead time estimates under the "Delivery and Shipping" section of each product page.

You will receive an email with tracking information as soon as your chair is on it's way to you.

How Do I Install My Chair Part?

We have a video showing how to install your Herman Miller Aeron Classic Under Seat Foam Insert (New & Improved), here:

What Warranty Comes with my Parts?

We stand behind the quality of our products. All of our chair parts are backed by a 2-year warranty.

We're here to help! If you have questions, contact our support team.

How Do Part Returns Work?

Crandall Office Furniture offers a 30-day return policy on all chair parts. Return shipping costs are the responsibility of the buyer.

We're here to help! If you have questions or would like to start a return, contact our support team.

Do You Ship to Hawaii, Alaska, or Outside of the USA?

No, unfortunately we are not currently shipping to Alaska, Hawaii, or outside of the United States at this time.

Customer Reviews

Based on 3 reviews
67%
(2)
33%
(1)
0%
(0)
0%
(0)
0%
(0)
J
Jay K.
Aeron Classic Under Seat Foam Pad

It's like I have a whole new chair!! Well, no... not really, but cleaning up my 25 year old chair before installing this new pad made a huge difference (and it was quite gross) - the seat pad replacement is just the cherry on top. Would I buy this again? I mean, yeah - but the replacement seat pad doesn't seem like it'll dissolve over 25 years like the original one. Regardless, I will buy parts from Crandall in the future.

B
Beauregard S.
Aeron Classic Under Seat Foam Pad

Great replacement for the foam pad. I hesitate to give 5 stars only because it noticeably firmer and thicker than the oem pad, which I do understand was intentional, it just tends to dig into my thighs a bit. I am hoping that over time it squishes more.

T
Tom F.
Aeron Classic Under Seat Foam Pad

This Aeron seat foam pad appears to be just like the original Aeron seat foam pad that it replaced, unlike the other FOAM pad that I also tried. I sent that one back because it was too thick and firm, and created a ridge under my thighs. This one feels perfect!

Crandall Office Furniture

Herman Miller Aeron Classic Under Seat Foam Insert (New & Improved)

$1999

Upgrade the comfort of your Herman Miller Aeron Classic chair with our New and Improved Under Seat Foam Insert.

View product