---
product_id: 148644873
title: "Replacement Classic Aeron Office Chair Seat Foam, Fits Medium Size B and Small Size A"
brand: "herman miller"
price: "฿1742"
currency: THB
in_stock: true
reviews_count: 10
category: "Herman Miller"
url: https://www.desertcart.co.th/products/148644873-replacement-classic-aeron-office-chair-seat-foam-fits-medium-size
store_origin: TH
region: Thailand
---

# Carbon color match Fits Medium B & Small A sizes Ergonomic foam support Replacement Classic Aeron Office Chair Seat Foam, Fits Medium Size B and Small Size A

**Brand:** herman miller
**Price:** ฿1742
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your throne: comfort meets classic design.

## Quick Answers

- **What is this?** Replacement Classic Aeron Office Chair Seat Foam, Fits Medium Size B and Small Size A by herman miller
- **How much does it cost?** ฿1742 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/148644873-replacement-classic-aeron-office-chair-seat-foam-fits-medium-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

- • **Durable Foam Material:** Medium firmness foam engineered for long-lasting comfort and resilience under daily use.
- • **Effortless Installation:** Simple peel-and-stick application with strong double-sided tape—upgrade your chair in minutes.
- • **Ergonomic Comfort Boost:** Revive your Aeron with tailored foam support that cushions your knees and enhances posture.
- • **Sustainable Chair Revival:** Extend the life of your premium Aeron chair and avoid costly replacements with this smart upgrade.
- • **Precision Fit for Classic Aeron:** Specifically designed for Medium B and Small A sizes to maintain that iconic Herman Miller feel.

## Overview

This replacement seat foam is a carbon-colored, medium firmness pad designed exclusively for Herman Miller Classic Aeron chairs in Medium B and Small A sizes. It provides ergonomic knee support, is easy to install with double-sided tape, and revitalizes your chair’s comfort and longevity.

## Description

Replacement seat foam for carbon colored Classic Aeron chair, fits sizes Small A and medium B only. This replacement seat foam pad is attached underneath the front edge of the chair seat, where your knees would naturally fall. It can easily be adhered with strong double sided tape.

Review: Thick, Durable, Great Fit for Pad Replacement - The original seat pad was ‘toast’. The replacement pad breaths life into my Aeron chair for many more years of service!
Review: Simple upgrade for older Aeron chair - Have an Aeron chair, used for ~20 years, still great but noticed the foam padding in front of chair seat was basically gone. Bought this as replacement, super easy to swap in and now this great chair even more comftorable.

## Features

- Replacement part for Herman Miller Aeron seat foam
- For Classic Aeron chairs that are size medium B and small A only
- Made of foam to help with comfortable seat support
- Carbon colored
- Fits the Classic Aeron chair to ensure ergonomic body support

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07VXB9XSF |
| Age Range (Description) | Adult |
| Best Sellers Rank | #431,169 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #899 in Home Office Desk Chairs |
| Brand | Herman Miller |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (121) |
| Date First Available | July 30, 2019 |
| Fill Material | Foam |
| Item Firmness Description | Medium |
| Item Weight | 3.84 ounces |
| Manufacturer | Herman Miller |
| Material | Foam |
| Material Feature | foam |
| Number of Pieces | 1 |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Product Dimensions | 14"L x 3"W |
| Recommended Uses For Product | Office |
| Shape | Oval |
| Size | 1 Count (Pack of 1) |
| Special Feature | Ergonomic |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Herman Miller
- **Color:** Black
- **Fill Material:** Foam
- **Size:** 1 Count (Pack of 1)
- **Special Feature:** Ergonomic

## Images

![Replacement Classic Aeron Office Chair Seat Foam, Fits Medium Size B and Small Size A - Image 1](https://m.media-amazon.com/images/I/511fIq9Ry5L.jpg)

## Questions & Answers

**Q: Is this OEM or 3rd party supplier?**
A: I’m not sure but it fits perfectly.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Thick, Durable, Great Fit for Pad Replacement
*by J***E on December 7, 2025*

The original seat pad was ‘toast’. The replacement pad breaths life into my Aeron chair for many more years of service!

### ⭐⭐⭐⭐⭐ Simple upgrade for older Aeron chair
*by T***O on January 3, 2026*

Have an Aeron chair, used for ~20 years, still great but noticed the foam padding in front of chair seat was basically gone. Bought this as replacement, super easy to swap in and now this great chair even more comftorable.

### ⭐⭐⭐⭐⭐ Well made aftermarket solution.
*by C***P on December 22, 2025*

Works well for the Herman Miller Aeron chair.

## Frequently Bought Together

- Herman Miller Replacement Classic Aeron Office Chair Seat Foam, Fits Medium Size B and Small Size A
- Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black
- Herman Miller 2.5-Inch Aeron Office Chair Replacement Caster Set for Standard Carpet (Set of 5)

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**Shop now:** [https://www.desertcart.co.th/products/148644873-replacement-classic-aeron-office-chair-seat-foam-fits-medium-size](https://www.desertcart.co.th/products/148644873-replacement-classic-aeron-office-chair-seat-foam-fits-medium-size)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-23*