


PostureFit Butterfly Pad with Foam for Herman Miller Aeron Classic Chair
Description
Restore Ergonomic Support | Easy to Install | Sizes A, B & C Compatible
Bring your Herman Miller Aeron Classic Chair back to its original ergonomic brilliance with this PostureFit Butterfly Pad with Foam. Designed to deliver the signature lower back support that defines the Aeron seating experience, this replacement part is a must-have for anyone looking to restore or enhance their chair’s performance and comfort.
Key Features
Ergonomic Lumbar Support: Promotes healthy posture and reduces lower back strain during long periods of sitting.
Fits All Chair Sizes (A, B, and C): Custom-fit for the Herman Miller Classic Aeron Chair, compatible across all three chair sizes.
Complete Replacement Pad: Includes both the hard plastic butterfly back plate and high-density foam insert.
Enhanced Comfort: Cushioned foam layer delivers lasting support and comfort, mimicking the feel of the original PostureFit system.
Simple DIY Installation: Swap out your old or worn-out pad with minimal tools:
- Remove the old PostureFit assembly from the back of the chair.
- Detach the plastic frame from the Y-bracket (may require a firm pull).
- Click the new butterfly pad into place and reattach to the chair.
Durable and Long-Lasting: Made from high-quality molded plastic and resilient foam to withstand daily use.
What's Included
1x PostureFit Butterfly Pad with Foam
(Includes plastic support plate and foam insert as one assembled unit)
Specifications
Feature | Details |
---|---|
Material | Injection-molded plastic frame + high-density foam |
Color | Graphite Black (compatible with standard Aeron finishes) |
Compatibility | Herman Miller Aeron Classic Chair – Size A, B, C |
Not Compatible | Not suitable for Aeron Remastered models |
Condition | Brand New |
Installation | Tool-free, press-fit design |
Installation Tips
Make sure the Y-bracket (wishbone) is clean and undamaged before attaching the new pad.
Applying gentle but firm pressure helps ensure a secure fit between pad and frame.
If your existing foam pad has degraded, this all-in-one unit is the ideal fix.
Why Choose This Replacement Pad?
The original PostureFit Butterfly Pad was engineered to deliver targeted lumbar support to reduce fatigue and promote a healthy spine alignment. Over time, the foam or plastic can wear down—this replacement part restores both the look and functionality of your chair at a fraction of the cost of full replacement parts.
🚚 Fast Dispatch | UK-Based Seller | Trusted by Chair Specialists
Upgrade your Herman Miller Aeron Classic Chair with our PostureFit Butterfly Pad with Foam—designed to provide the ergonomic comfort and back support that professionals and remote workers demand.

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