Herman Miller Aeron Onyx Executive Office Chair - Size B
Net Price: £1,332.50
Dispatched in 1 - 3 Days
Elevate Your Workspace with the Herman Miller Aeron Onyx Executive Chair – Size B
Experience the gold standard in ergonomic seating with the Herman Miller Aeron Onyx Executive Office Chair Size B—a bold evolution of the iconic Aeron design, now reimagined in a sleek, matte black finish. Engineered for peak performance and all-day comfort, this chair blends cutting-edge support with timeless style, making it the ultimate upgrade for your home office or executive workspace.
Onyx is a stunning new colourway that we are also adding to Aeron. Aeron is boldly updated to Onyx, resulting in a high-contrast appearance that immediately stands out. Current design trends influenced the dramatic, ultra-matte black shade. 1.13 kilograms of ocean-bound plastic will be part of Onyx.
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Ergonomic Excellence: Patented PostureFit SL technology supports your spine’s natural alignment, reducing fatigue and enhancing posture.
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Size B – Perfect Fit: Designed for medium body types, Size B offers balanced support and adjustability for most users.
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Breathable Pellicle Mesh: Keeps you cool and comfortable by allowing air, body heat, and water vapour to pass through.
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Fully Adjustable: Customise tilt tension, seat angle, arm height, and lumbar support to suit your unique sitting style.
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Sustainable Design: Made with ocean-bound plastic and recyclable materials—eco-conscious without compromising quality.
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Striking Onyx Finish: A modern matte black aesthetic that complements any workspace with understated sophistication.
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Delivery & returns
Estimated delivery times for all products range between 1 and 4 business days. Shipping prices shown are for Mainland UK only; we do not ship overseas or to the Republic of Ireland. Additional charges apply for Northern Ireland, the Isle of Man, and some Scottish Highlands locations. Most couriered items arrive next working day, except for these regions where deliveries may take longer. Royal Mail items typically arrive within three working days. Please check goods on delivery and sign as “damaged” or “unchecked” if any issues are visible. If you are out, you will receive instructions on where to collect or how to rearrange delivery.
Returns are accepted within 14 days of purchase, provided items are in original packaging and saleable condition. Faulty items should be reported promptly and may be returned for replacement or refund. For hygiene reasons, we cannot accept returns on mattresses, pillows, or personal items unless sealed. For full details and exceptions, please visit our Shipping & Returns page
