RefurbishedMiller
The Herman Miller Aeron and the Herman Miller Mirra are two of the most popular ergonomic office chairs. Both are designed for professional use, long working hours, and proper posture support.
But they differ in structure, materials, and overall sitting experience.
Aeron vs Mirra
Quick Comparison Overview
One of the main differences between the Herman Miller Aeron and the Herman Miller Mirra (Mirra 1) is how they approach sizing.
The Aeron is available in three sizes (A, B, and C), allowing users to select a frame that matches their body proportions. This can provide a more tailored ergonomic fit, especially for very small or taller individuals.
The Mirra 1 is designed as a single-size chair that adapts to a wide range of users through its flexible back and responsive seat design. Many users appreciate this simplicity, particularly if they fall between Aeron sizes or prefer not to choose between size B and C.
Both systems work well — the difference lies in whether you prefer precise size selection or adaptive one-size versatility.
1994
2003
Full Pellicle mesh
Flexible polymer + mesh
Lumbar pad / PostureFit
Lumbar support
Three sizes (A, B, C)
One size (fits most)
Excellent
Very good
Structured & supportive
Slightly more dynamic
Iconic design
Technical, modern aesthetics
Higher
Often more accessible