Herman Miller Aeron Office Chair Size B (Medium) Carbon - Fast Delivery

Upgrade your workspace with the iconic Herman Miller Aeron Chair Size B (Medium) in the Carbon finish, available now for fast delivery in just 3–5 working days. This full-specification model includes all premium ergonomic adjustments to ensure exceptional comfort and performance throughout the day.

Designed to Fit Most Users

Size B is the most popular Aeron size, ideal for users between 5'4" (167 cm) and 6'1" (183 cm), offering a balanced fit for a wide range of body types.

Breathable 8-Zone Mesh for Superior Comfort

The Aeron’s innovative Pellicle mesh seat and back allow air, body heat and moisture to circulate freely, helping regulate temperature and prevent overheating. With eight latitudinal zones of varying tension, the chair provides targeted support and pressure distribution exactly where your body needs it most.

Enhanced PostureFit SL Back Support

This in-stock Carbon model comes with PostureFit SL as standard. Dual flexible pads support the sacrum and lumbar spine, improving posture and delivering long-lasting comfort—ideal for extended periods of sitting.

Key Benefits

• Best-selling Size B (Medium) for the broadest range of users

• Modern Carbon colourway for a clean, professional look

• Fully adjustable ergonomic features included as standard

• Premium breathable mesh seat and back

• Fast delivery so you can enhance your workspace quickly

Bring award-winning ergonomic design into your home office or workplace with the Herman Miller Aeron Chair Size B in Carbon.

Key Features

• Carbon colour mesh back and seat
• Carbon base and frame
• Height adjustable seat (427-579 mm)
• Fully adjustable (height, depth, width), pivoting arms
• PostureFit SL lumbar support
• Tilt limiter & forward tilt
• Choice of armpads
• Choice of carpet or multi-floor castors 

Wellworking Says...

"The Aeron chair in the mid-grey Carbon colour, in stock for fast delivery. Great in the office or a domestic environment for home workers."

Herman Miller Aeron chair FAQs

How you just the seat height?

To adjust the seat height:

• Raising the Seat: While not seated, lift the paddle-shaped lever on the right side upward.
• Lowering the Seat: While seated, lift the same lever upward.

Adjust the seat height so your feet rest flat on the floor or on a footrest.

How can I modify the recline tension?

The recline tension determines the resistance when leaning back:

• Increase Tension: Turn the knob on the right side of the chair forward (clockwise).
• Decrease Tension: Turn the knob backward (counterclockwise).

Adjust the tension to your personal preference.  

What sizes are available for the Aeron chair, and how do I choose the right one?

The Aeron chair comes in three sizes:

• Size A (Small): Recommended for individuals 4’10”–5’4” tall
• Size B (Medium): Suitable for those 5’2”–6’ tall
• Size C (Large): Designed for individuals over 6’ tall

How do I adjust the lumbar support?

The Aeron chair features adjustable Posturfit SL lumbar support:

• Depth Adjustment: The pads can be pushed forward or backwards with the wheels at the back of the chair.

Where can I purchase replacement parts?

Some replacement parts, such as castors, arm pads, and back support options, are available through from Wellworking.  Please contact us for pricing.

What is the warranty on the Aeron chair?

Herman Miller offers a 12-year warranty covering parts and labour for the Aeron chair, applicable when purchased from an authorised retailer, such as Wellworking.

How do I clean and maintain the Aeron chair?

To clean the chair:

• Pellicle Mesh: Use a vacuum cleaner to remove dust. For stains, apply a solution of mild soap and warm water with a soft cloth, then rinse and dry.
• Frame and Base: Wipe with a soft cloth dampened with mild detergent and warm water. Dry thoroughly.Is assembly required for the Aeron chair?

The Aeron chair comes fully assembled, unless requested in knock down form.

How much are Herman Miller chairs?

Herman Miller Aeron chairs start at around £1000 depending on specification required.

Where can I try Herman Miller Aeron chairs?

You are welcome to try Herman Miller chairs at any of our offices in London, Pershore or Galashiels, to book an showroom appointment contact us.

What colours does the Aeron chair come in?

Aeron comes in Graphite (dark grey), Onyx (black), Carbon (mid grey) and Mineral (light grey).