Specialty Firm The Rock Mattress
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Specialty Firm The Rock Mattress

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Retail Price: $544.00
Your Savings: $215.00
Our Price: $382.00
On sale:
$329.00
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Our customers asked for firm, and we listened. The Rock is our firmest mattress at a great value. Our  foam-encased verti-coil support system is Tri-Zoned and provides firm support. If you are looking for our firmest premium mattress with our individually-wrapped coils, check out the Dream Collection Regal, but if you want extra firm, you've found the right place.

Mattress Features & Benefits

  • The Verti-Coil support system is firm and supportive for lasting comfort.
  • High coil coil that is specially designed to maintain support where you need it the most.
  • The foam-encased design provides a supportive, firmer edge that allows you to sleep all the way to the edge of the bed without feeling like you will roll off. It increases the sleeping surface and reduces vibrations. Also, all of our foam-encased beds feature Tri-Zoned Lumbar Support to give you additional support in your lumbar region, where you need it most.
  • Maintains a cool, balanced temperature throughout the night, allowing muscles to breathe and heal
  • Minimizes pressure points to reduce pain and tossing and turning by combining layers of our Eco-Flex plant-based cushioning foam over our spring system
  • Always returns to its original shape to support you night after night
  • We process all the materials right here at Diamond, so we know they are the best and we can offer a 20 year warranty that we have stood behind for 4 generations*

Benefits

The Rock is our firmest mattress at a great value. Our  foam-encased verti-coil support system is Tri-Zoned and provides firm support. If you are looking for our firmest premium mattress with our individually-wrapped coils, check out the Dream Collection Regal, but if you want extra firm, you've found the right place.
 
 
Conformability
 
Medium Low 


 

Firmness & Height

ModelFirmness (learn more)Height
The RockExtra Firm (10)13"
The StoneFirm (9)13"
 

Comfort Layer

Firm Plant Based Eco-Flex Foam
Layers of High Density Eco-Flex Plant-Based Foam 
 

Support Layer

Tri-Zoned, Foam Encased Design for Enhanced Back Support
Verti-Coil® Spring System, which has 21% more coils than the traditional spring unit while helping to relieve pressure.

Base Layer

Orthopedic Eco-Flex Plant-Based Base Layer
 

Edge Support

Foam Encased Edge Support System with Tri-Zoned Lumbar Support
 

Cover Fabric

Soft 4-Way Stretch Knit Cover
 

Removable/Washable

No
 

Allergen and Dust Mite Resistant

Yes
 

Non-Skid Bottom

Yes
 

Foundation

Matching Sustainable Hard Wood Foundation
 

Adjustable Friendly

No, see our adjustable bases to learn more
 

Warranty

20 Year Limited Warranty
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