Free Shipping in the US!

Express Worldwide Shipping

30 Days Money Back Guarantee

Democratizing high-end ergonomics for everyone!

Premium Chairs, Headrests, and Parts, Without the Premium Price!

Office Logix Shop  |  SKU: HM_A1-SF-SZB

Herman Miller Aeron Compatible – Seat Foam Insert by OLS (Size B and A Chairs)

$17.00


Are you looking to bulk order? We provide a discount on quantities with a special price for businesses. Just fill the form and our team will get back to you as soon as possible.

Contact Us for Bulk Orders

Description

Seat Foam Insert Replacement for Herman Miller Aeron Chair Size B and A

Restore everyday comfort on your Aeron chair with a seat foam insert made to fit and support for long sitting sessions.

Product Details

Component Description
Compatibility Herman Miller Aeron Classic seat pans in sizes B and A
Material Premium density foam for steady support
What's Included One seat foam insert (seat pan not included)
Tools Required None. A flat plastic tool may help if old foam is stuck

Key Features

Feature Benefit
Custom Fit Designed for Aeron seat pan mesh sizes B and A for precise fit
Quality Foam Premium density reduces pressure on back and hips during extended sitting
Simple Installation Quick replacement process with no special tools needed
Comfort Restored Brings back the feel of a well supported Aeron seat

Installation Steps

Step Action
1 Remove the chair from use and place it on a stable surface
2 Lift the seat pan mesh slightly and take out the worn foam insert
3 Position the new insert so it follows the original shape and edges
4 Press the seat mesh back into place and check that the insert sits flat with no folds

Tip: If the old insert is sticky, use a plastic card or trim tool to lift it without damaging the mesh.

Chair Size Identification

Aeron chairs have size dots on the upper back frame lip. Check your chair size before ordering:

Size Dots Compatibility
Size A One dot ✓ Compatible
Size B Two dots ✓ Compatible
Size C Three dots ✗ Not compatible

Upgrade your Aeron chair with a fresh seat foam insert and get back to steady, supported sitting.


For more information on how to replace the seat foam and know the exact Aeron chair size that you have, please scroll down.

Installation and Size Guides

Installation Guide

Watch this quick guide to see how to remove the old foam and install your new seat insert correctly. The process takes just a few minutes.

How to Check Your Chair Size

Learn how to identify your Aeron chair size by checking the size dots on the upper back frame. This ensures you order the correct foam insert.

Seat foam insert replacement for Herman Miller Aeron chair sizes B and A showing premium density foam

Restore Your Aeron Comfort

Bring back the supported feel of your Herman Miller Aeron chair with a premium density seat foam insert. Designed specifically for sizes B and A, this replacement restores the comfort and pressure relief your chair provided when it was new.

Simple installation takes just minutes with no special tools required. The custom fit follows the original Aeron contour for consistent posture support during long work sessions.