America's Mattress Knolltop Firm

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Insights from America's Mattress
America's Mattress is a network of independent sleep shops across the United States that sells Serta products exclusively. Select America's Mattress retailers offer a private label America's Mattress collection of mattresses made by Serta. Learn more at

Bottom Line Is this a good bed for you?

Fit: Recommended for people who...

Prefer to sleep on their back
Prefer to sleep on their stomach
Prefer only a bit of softness

Function: Rated for its...

Motion Isolation
Pressure Relief

Features: Contains...

  • Gel
  • Gel Foam
  • Gel Memory Foam
  • Innerspring
  • Memory Foam
  • Micro-Coils
  • Pocketed Coils
See specs for the Knolltop Firm »

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Q&A Knolltop Firm

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Model Features Knolltop Firm

Support Core:
Comfort Level:
Surface Type:
Tight Top


Mattress Components:


Overall Build
  • No-Flip
  • Mattress Thickness: 8.5"

About this Model Knolltop Firm

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America's Mattress
Model Name:
Knolltop Firm

Additional Information Knolltop Firm


The Knolltop Firm is a tight top spring core firm mattress model that is part of the America's Mattress product line manufactured by Serta.


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