Whether your original butterfly pad has compressed from years of use, developed cracks or tears, or simply lost its supportive qualities, this replacement pad returns your Aeron chair to its original ergonomic performance.

The distinctive butterfly shape conforms to the natural curvature of your lower back, providing targeted support where you need it most while promoting healthier posture throughout your workday.

• Universal Size Compatibility: Engineered to fit all Herman Miller Aeron Classic chair sizes, A, B, and C, with precision dimensions for consistent support across models.
  
  
• Superior Lumbar Support: The butterfly design offers anatomically correct lower back support, stabilizing the spine and reducing lumbar strain while preventing slouching.
  
  
• Enhanced Ergonomic Comfort: Made from premium-density foam for optimal firmness and cushioning, this pad adapts to your body shape for responsive comfort.
  
  
• Posture Correction Technology: Recognized by Herman Miller, the PostureFit Butterfly Pad supports the sacral-lumbar junction, promoting proper spinal alignment and preventing lower back fatigue.
  
  
• Direct OEM Replacement: Authentic part that fits seamlessly into your chair's Y-wishbone structure, ensuring secure and stable positioning.