The Steelcase Gesture and Herman Miller Aeron are two of the most respected ergonomic office chairs in the world. Both cost over $2,000, both come with decade-plus warranties, and both are designed for all-day comfort. But they solve the problem of sitting differently.
This comparison covers the key differences to help you choose the right premium chair for your work style. Whether you are setting up a home office or upgrading your corporate workspace, understanding how these chairs support your body is essential. We will look at their design philosophies, adjustability, materials, and overall value to help you make an informed decision.
Steelcase Gesture: designed for how we work today
The Gesture was designed after studying thousands of people in nine different postures. Steelcase observed that modern workers constantly shift between tasks: typing, reading a phone, leaning back for a video call, reaching for a tablet. The Gesture's 3D LiveBack and flexible armrests adapt to all of these positions seamlessly.
The standout feature is the 360-degree armrest system. Unlike any other chair on the market, the Gesture's arms move like a human arm: they pivot, adjust depth, width, and height independently. This makes it exceptional for people who use multiple devices throughout the day. If you frequently switch between a laptop, a tablet, and a smartphone, the Gesture provides continuous support for your arms and shoulders.
Another key benefit of the Gesture is its upholstered seat and back. This provides a warmer, more cushioned feel compared to mesh chairs. The seat pan is designed with flexible edges to reduce pressure on the back of your legs, promoting better circulation during long hours of sitting. For those who prefer a softer seating experience, the Gesture is a strong contender.
Gesture strengths:
- Best-in-class armrest adjustability with 360-degree movement
- Supports a wider range of sitting postures and device usage
- Upholstered seat and back for a warmer, more cushioned feel
- Available with an optional headrest for reclined working
- Flexible seat edges to reduce pressure on the thighs
Herman Miller Aeron: the proven benchmark
The Herman Miller Aeron has been the gold standard in ergonomic seating since 1994. The remastered version refines the original with 8Z Pellicle mesh, which features eight zones of varying tension for optimal support. It also includes the advanced PostureFit SL lumbar support and a more refined tilt mechanism.
Where the Aeron excels is in its breathability and simplicity. The full mesh construction means zero heat buildup, making it ideal for Australian summers. The Pellicle material allows air, body heat, and water vapour to pass through the seat and backrest to help maintain even and comfortable skin temperatures. Once set up, it requires almost no daily adjustment, allowing you to focus entirely on your work.
The Aeron is available in three distinct sizes (A, B, and C) to provide a tailored fit for different body types. This sizing strategy ensures that the chair's ergonomic benefits are maximised for each individual user. The PostureFit SL technology supports the sacral region to nurture the natural S-shape of the spine, promoting a healthy posture and reducing lower back pain.
Aeron strengths:
- Full mesh construction for superior breathability and temperature control
- PostureFit SL sacral and lumbar support for optimal spinal alignment
- Three sizes (A, B, C) to ensure a tailored fit for every body type
- Industry-leading 12-year warranty for peace of mind
- Proven 25+ year real-world lifespan, making it a long-term investment
Comparing the design philosophies
The Steelcase Gesture and the Herman Miller Aeron represent two different approaches to ergonomic design. The Gesture is built around the concept of dynamic movement. It assumes that you will change positions frequently and use various devices. Its highly adjustable components, particularly the armrests, are designed to move with you.
In contrast, the Aeron is designed to support a more static, focused posture. It encourages you to sit in the optimal ergonomic position and provides exceptional support while you are in that posture. The mesh material and the PostureFit SL system work together to keep you comfortable and aligned for extended periods of focused work.
When choosing between the two, consider your typical workday. If you are constantly shifting, reaching, and using different devices, the Gesture might be the better fit. If you spend most of your time typing at a desk and value breathability, the Aeron is likely the superior choice.
Ergonomics and posture support
Both chairs excel in providing ergonomic support, but they do so in different ways. The Gesture's 3D LiveBack technology mimics the natural motion of the spine, providing continuous support as you move. The adjustable lumbar support allows you to fine-tune the firmness to your preference.
The Aeron's PostureFit SL system is widely regarded as one of the best lumbar support mechanisms available. It targets both the sacrum and the lumbar region, ensuring that your pelvis is tilted slightly forward and your spine maintains its natural curve. This is crucial for preventing lower back pain during long hours of sitting.
For those who need additional support, the Gesture offers an optional headrest, which is great for reclined reading or video calls. The Aeron does not come with a factory headrest, although third-party options are available. If a headrest is a must-have for you, the Gesture has the edge.
Materials and build quality
The materials used in these chairs reflect their design philosophies. The Gesture uses high-quality foam and upholstery, providing a traditional, cushioned feel. The fabric is durable and comfortable, but it can retain heat more than mesh.
The Aeron's 8Z Pellicle mesh is a marvel of engineering. It provides firm, responsive support while allowing for maximum airflow. This makes the Aeron incredibly comfortable in warm environments. The build quality of both chairs is exceptional, with robust frames and high-quality components that are built to last.
Both chairs come with a 12-year warranty, which speaks to the confidence the manufacturers have in their products. You can expect either chair to provide reliable service for well over a decade.
Comparison table
| Feature | Steelcase Gesture | Herman Miller Aeron |
|---|---|---|
| Seat material | Upholstered foam | 8Z Pellicle mesh |
| Back material | Upholstered foam | Pellicle mesh |
| Armrests | 4D + 360° rotation | Standard 4D |
| Lumbar support | Adjustable firmness | PostureFit SL |
| Headrest | Optional | Not available |
| Sizes | One size (adjustable) | Three sizes (A, B, C) |
| Breathability | Moderate | Excellent |
| Warranty | 12 years | 12 years |
| Weight capacity | Up to 181kg | Up to 159kg |
How to choose the right chair for your workspace
Selecting the right ergonomic chair is a personal decision that depends on your specific needs and preferences. Here are a few factors to consider when making your choice.
First, think about your climate. If you live in a warmer part of Australia or work in an office without air conditioning, the breathability of the Aeron's mesh is a significant advantage. If you prefer a warmer, more cushioned seat, the Gesture is the way to go.
Second, consider your body type. The Aeron's three sizes ensure a perfect fit, but you need to make sure you select the right size (A, B, or C) for your height and weight. The Gesture is a one-size-fits-all chair with extensive adjustability, making it a safer bet if multiple people will be using the chair.
Finally, think about your work style. If you use multiple monitors, tablets, and phones, the Gesture's highly adjustable armrests will provide the support you need. If you primarily work at a single computer and value a chair that keeps you in the optimal posture, the Aeron is hard to beat.
Integrating your chair with a sit-stand desk
To maximise the ergonomic benefits of your new chair, consider pairing it with a sit-stand desk. Alternating between sitting and standing throughout the day can reduce fatigue, improve circulation, and boost productivity. We offer a wide range of sit to stand desks that complement both the Gesture and the Aeron perfectly.
When setting up your workstation, ensure that your desk height allows your arms to rest comfortably on the chair's armrests while your feet are flat on the floor. A monitor arm can also help you position your screen at the correct height, reducing strain on your neck and shoulders.
Frequently Asked Questions
Which chair is better for lower back pain, the Gesture or the Aeron?
Both chairs offer excellent lumbar support, but the Herman Miller Aeron with PostureFit SL is often preferred for lower back pain. The PostureFit SL system supports both the sacrum and the lumbar region, promoting a natural spinal curve. However, the Steelcase Gesture also provides strong support with its 3D LiveBack technology, which adapts to your movements.
Is the Herman Miller Aeron suitable for tall people?
Yes, the Herman Miller Aeron is suitable for tall people, provided you choose the correct size. The Size C Aeron is designed specifically for taller and heavier individuals, offering a deeper seat pan and a higher backrest to ensure proper support.
Does the Steelcase Gesture get hot during summer?
The Steelcase Gesture features an upholstered seat and back, which can retain more heat than a mesh chair like the Aeron. While it is made from breathable fabrics, it may feel warmer during hot Australian summers compared to a full mesh chair.
Can I add a headrest to the Herman Miller Aeron?
Herman Miller does not manufacture an official headrest for the Aeron chair. However, there are several high-quality third-party headrests available on the market that are designed specifically to match the Aeron's aesthetics and ergonomics.
Are these chairs worth the high price tag?
Yes, premium ergonomic chairs like the Gesture and Aeron are worthwhile investments. They are built with high-quality materials, offer superior ergonomic support to prevent long-term health issues, and come with 12-year warranties. Over their lifespan, the cost per year is very reasonable.
How do I know which size Aeron to buy?
Herman Miller provides a sizing chart based on height and weight to help you choose between Size A, B, and C. Generally, Size A is for smaller individuals, Size B fits the majority of people, and Size C is for taller or heavier users. If you fall between sizes, it is usually best to try the chair in person or consult with an ergonomic specialist.
The verdict
Choose the Gesture if: You work across multiple devices, change posture frequently, prefer a cushioned feel, or need a headrest for video calls and reclined reading. Its adaptability makes it a fantastic choice for dynamic work environments.
Choose the Aeron if: You prioritise breathability, want a chair sized specifically to your body, prefer mesh over foam, or value the Aeron's proven multi-decade track record. It remains the benchmark for static, focused work.
Both chairs are available from Chair Dinkum. Browse our full range of ergonomic task chairs to find the perfect fit for your workspace. If you need more information on setting up an ergonomic office, check out our guide on how to choose a sit-stand desk or explore our selection of ergonomic accessories. For personalised advice, please contact us today.

