The Great Office Chair Debate: Herman Miller Aeron vs Mirra 2

When it comes to ergonomic office chairs, Herman Miller is the gold standard – no ifs, ands, or buts. With a legacy of innovation, design excellence, and unrivaled comfort, their chairs are designed to keep you comfortable and supported for hours.

Two of their most popular chairs, the Herman Miller Aeron vs Mirra 2 are often compared, and for good reason. But which one is the best fit for you? As a proud distributor of best-selling refurbished Herman Miller chairs, we know a thing or two about them.

What is Herman Miller & Why Do the Aeron and Mirra 2 Stand Out?

Herman Miller isn’t just a furniture brand, it’s an institution. Founded in 1905, the company revolutionised the way we think about office seating. From the first ergonomic breakthroughs to today’s performance-driven designs, every Herman Miller chair is a result of meticulous research and product refinement.

Two of their top chairs are the Herman Miller Aeron and the Herman Miller Mirra 2. These chairs are designed for comfort, durability, and long-term support. However, each chair has its own defining traits. The Mirra vs Aeron debate boils down to your work style, body type, and preference for adjustability.

Lumbar Support: Aeron Chair vs Mirra 2

Lumbar support is one of the biggest factors when choosing a Herman Miller chair. If you sit for long hours, the right lumbar support and tilt tension can make all the difference.

Aeron Chair:

• Comes with adjustable PostureFit SL lumbar support (on higher-end models), which supports the spine’s natural S-curve.
• Ideal for those who suffer from lower back pain or need firmer support for long hours.

Mirra 2 Chair:

• Features passive harmonic lumbar support, designed to flex and adapt to your movements.
• The Butterfly Back has a dynamic mesh structure that adjusts to the user's posture without needing manual adjustments.
• Slightly more relaxed than the Aeron’s lumbar support, making it a great option for those who shift positions frequently.

Backrest: Herman Miller Aeron vs Mirra

The backrest determines how much support and airflow you get while seated, a necessary consideration for those spending extra hours grinding away.

Aeron Chair:

• Has a pellicle mesh back, offering excellent breathability and a firm, supportive feel.

Mirra 2 Chair:

• The Mirra 2 is built for movement, featuring a flexible polymer backrest that moves with your body.

Seat & Depth: Mirra vs Aeron

Aeron Chair:

● No seat depth adjustability, but comes in 3 different sizes to adjust to different people. Take a look at our Herman Miller Aeron Size Guide to find your size.

Mirra 2 Chair:

• One-size-fits-all with an adjustable seat height and depth, allowing users to customise their seat length based on leg comfort.

Armrests: Mirra Chair vs Aeron

Armrest adjustability impacts shoulder and wrist strain.

Aeron Chair:

• Fully adjustable 3D armrests (height, angle, and depth).
• Arms move up/down, pivot, and shift forward/back.

Mirra 2 Chair:

• Offers 4D armrests (height, angle, depth, and width), making it more adaptable for various body types.
• Feature a softer, more cushioned feel than the Aeron’s firmer arm pads.

Is Buying a Refurbished Herman Miller Chair Worth It?

Absolutely. Zero Office Furniture restores refurbished Herman Miller chairs to good-as-new condition, often for half the price of a new one.

• Same quality, lower price – A refurbished Aeron or Mirra 2 is still an Aeron or Mirra 2.
• Eco-friendly choice – Buying refurbished keeps high-end chairs out of landfills.
• Tested and restored – All parts are checked, cleaned, and replaced if necessary.

Final Verdict: Aeron Chair vs. Mirra 2

Choosing between the Aeron chair vs Mirra 2 comes down to preference:

• Get the Aeron if you prefer firmer support, structured seating, and a premium ergonomic design tailored to your body size.
• Get the Mirra 2 if you want a more flexible, adaptive chair with a one-size-fits-all approach.

If you’re still unsure, you can always test both in a showroom as a risk-free trial, then come back to Zero Office Furniture and get a refurbished one at a smaller cost for both you, and the environment.