# Herman Miller Aeron Onyx Executive Chair - Size C

## Upgrade to Unrivalled Comfort with the Herman Miller Aeron Onyx Executive Chair – Size C

Discover the pinnacle of ergonomic innovation with the **Herman Miller Aeron Onyx Executive Office Chair Size C**—a bold, modern reimagining of the legendary Aeron chair, now available in a striking matte black finish. Designed for larger body types, Size C offers expansive support, advanced adjustability, and breathable comfort, making it the ideal choice for executives and professionals who demand more from their seating.

This model is available in the largest size, C, which makes it suitable for people with large bodies. The Aeron chair has been modernised by the onyx colour, which highlights an ultra-black shade. The brand's first chair to receive the coveted Cradle to Cradle V3 Silver Level certification is a shining example of the company's commitment to sustainability. This product also has a high sustainability rating.

### Key Benefits of the Herman Miller Aeron Onyx Chair

-   **Tailored for Larger Frames**: Size C is expertly engineered to provide optimal support for taller and broader users, ensuring comfort without compromise.
    
-   **PostureFit SL Support**: Dual adjustable pads stabilise the sacrum and support the lumbar region, promoting healthy posture throughout the day.
    
-   **Pellicle Mesh Seat & Back**: Enhances airflow, keeping you cool and comfortable while eliminating pressure points.
    
-   **Fully Customisable**: Adjust seat height, tilt tension, arm position, and lumbar support to suit your unique preferences.
    
-   **Eco-Conscious Craftsmanship**: Made with ocean-bound plastic and recyclable materials, combining sustainability with premium quality.
    
-   **Sleek Onyx Finish**: A contemporary matte black aesthetic that elevates any workspace with understated elegance.

## Details

- **Price:** 1814.0 GBP
- **Vendor:** Herman Miller
- **Tags:** Adjustable Ergonomic Chair, Aeron Ergonomic Chair, Aeron Office Chair, Ergonomic Chairs, Ergonomic Desk Chair, Ergonomic Office Chairs, Executive Chairs, Executive Office Seating, Fully Loaded Chairs, Herman Miller Aeron, Mesh Office Chairs, PostureFit SL Aeron, Premium Task Chair UK, Sustainable Office Furniture

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1814.00 GBP | In stock |

## Images

- Herman Miller Aeron Onyx Executive Chair - Size C - Herman Miller - Back2
- Herman Miller Aeron Onyx Executive Chair - Size C - Herman Miller - Back2
- Herman Miller Aeron Onyx Executive Chair - Size C - Herman Miller - Back2
- Herman Miller Aeron Onyx Executive Chair - Size C - Herman Miller - Back2

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> Source: [Back2 International](https://www.back2.co.uk/products/herman-miller-aeron-onyx-executive-c)
> Updated: 2026-04-30