Herman Miller Aeron Size B Graphite Office Chair | In Stock for Fast UK Delivery

The UK’s Best-Selling Herman Miller Aeron Chair

The Herman Miller Aeron Size B Graphite Office Chair is the UK’s most popular Aeron configuration, combining the best-selling medium Size B with the timeless Graphite finish and a full ergonomic specification. If you’re buying your first Aeron, this is the model most customers choose.

Available from UK stock with free mainland delivery, this fully specified Aeron includes PostureFit SL, forward tilt, tilt limiter, fully adjustable arms, plus your choice of castors and arm pads. Delivered fully assembled, it’s ready to provide exceptional ergonomic support from the moment it arrives.

Recognised around the world as one of the finest ergonomic office chairs ever designed, the Herman Miller Aeron adapts to the way you work. Its breathable Pellicle mesh, advanced ergonomic adjustments and patented PostureFit SL support encourage healthy posture and outstanding comfort throughout long working days.

Whether you’re upgrading your home office or specifying seating for the workplace, the Herman Miller Aeron Size B Graphite remains the benchmark against which all other ergonomic office chairs are measured.

Why Buy Your Aeron from Wellworking?

✔ In Stock for Fast UK Delivery – Delivered in 3–5 working days from UK stock.

✔ Free UK Mainland Delivery – No hidden delivery charges.

✔ Delivered Fully Assembled – Simply unpack and start working (unless knock-down delivery is requested).

✔ Authorised Herman Miller Retailer – Buy with complete confidence from one of the UK’s leading ergonomic furniture specialists.

✔ 12-Year Herman Miller Warranty – Industry-leading manufacturer warranty covering parts and labour.

Key Benefits

The Most Popular Aeron Configuration – Full specification including PostureFit SL, forward tilt, tilt limiter and fully adjustable arms.

Size B – The Perfect Fit for Most Users – Recommended for users approximately 167 cm (5’4”) to 183 cm (6’1”), making it the most versatile Aeron size.

Breathable Pellicle Mesh – The iconic suspension mesh promotes airflow to help regulate temperature and keep you comfortable throughout the day.

PostureFit SL Ergonomic Support – Adjustable sacral and lumbar support encourages healthy spinal alignment and helps reduce fatigue during prolonged sitting.

Designed for Long Working Days – Ideal for professionals spending 6–10 hours at a desk in home offices and commercial workplaces.

Built to Last – Premium engineering, exceptional build quality and a 12-year warranty make the Aeron a long-term investment in your comfort and wellbeing.

What’s Included

• Herman Miller Aeron Chair Size B (Medium)
• Graphite finish
• PostureFit SL support
• Forward tilt
• Tilt limiter
• Fully adjustable arms
• Choice of castors
• Choice of arm pads
• Delivered fully assembled (unless knock-down delivery is requested)

Ideal For

• Home offices
• Professional workplaces
• Hybrid working
• Users spending 6–10 hours per day at a desk
• Anyone seeking a premium ergonomic office chair
• Users who prefer breathable mesh seating
• People requiring advanced lumbar and posture support

Wellworking Says…

“If you’re unsure which Aeron to choose, this is the one we’d recommend. The Size B Graphite is comfortably our best-selling Herman Miller chair because it suits most users, offers every key ergonomic feature and is available for fast delivery from stock. It’s the Aeron that sets the standard.”

Herman Miller Aeron Size B Graphite FAQs

Why is the Herman Miller Aeron Size B Graphite the most popular model?

The Size B Graphite combines the most versatile Aeron size with the classic Graphite finish and the full ergonomic specification. It comfortably fits the majority of users and includes the features most customers choose, making it our best-selling Herman Miller Aeron chair.

Is the Herman Miller Aeron good for back support?

Yes. The Aeron is designed to provide outstanding ergonomic support throughout the working day. Its breathable Pellicle mesh distributes pressure evenly, while the adjustable PostureFit SL system supports both the lumbar and sacral regions to encourage healthy posture.

What size Aeron chair should I choose?

The Aeron is available in three sizes:

• Size A (Small): Suitable for users approximately 147–163 cm (4’10”–5’4”)
• Size B (Medium): Suitable for users approximately 167–183 cm (5’4”–6’1”)
• Size C (Large): Recommended for users over 183 cm (6’)

For most people, Size B provides the best overall fit.

Where can I try a Herman Miller Aeron chair?

You’re welcome to experience the Herman Miller Aeron in our London, Pershore or Galashiels showrooms. Contact our team to arrange an appointment and receive expert advice on choosing the right specification.

How do I adjust the Herman Miller Aeron?

The Aeron offers extensive ergonomic adjustments, including seat height, recline tension, forward tilt, tilt limiter, armrests and PostureFit SL support, allowing you to tailor the chair to your preferred sitting position.

Does the Herman Miller Aeron arrive assembled?

Yes. Every Herman Miller Aeron supplied by Wellworking is delivered fully assembled and ready to use unless you specifically request knock-down delivery.

What warranty is included?

When purchased from Wellworking, your Herman Miller Aeron is covered by Herman Miller’s comprehensive 12-year manufacturer’s warranty, including parts and labour.

What colours is the Herman Miller Aeron available in?

The Herman Miller Aeron is available in Graphite, Onyx, Carbon, Jasper, Nightfall and Mineral, making it easy to coordinate with both home offices and professional workspaces.