Memory Foam Mattresses

EquaLite Copper Cooled Memory Foam Hybrid Mattress 11-inch

Sale starts at CAD $863.30
Sale ends in: 2d 19hr
Free Shipping over $60*
Size:Select a size
ITEM#: 37129638
Remember the last time you got a great night's sleep? We hope so. Now imagine feeling that way every morning--a great mattress can literally change your life. Diamond Mattress has spent 80 years perfecting the science of sleep wellness, and the EquaLite Copper Cooled Hybrid brings you both the support of coils and the comfort of memory foam.

FIRM AND BALANCED: A firm mattress is just what the doctor ordered for back sleepers, stomach sleepers, or higher BMI sleepers in any position.

COPPER COOLED: Our Cool Touch top layer uses special materials to disperse your body heat, then a copper-injected memory foam layer conducts heat away from your body to keep you cool all night.

PEACE OF MIND: Next up comes multiple layers of CertiPUR-US certified high density foam, made without chemicals harmful to you or the environment (so you can let your mind rest easy, too).

LIVE ON THE EDGE: The Dynamic Edge Coil System keeps comfort consistent to the very edge of your mattress, and makes a better lip for entering, exiting, and sitting.

FRIENDLY NEIGHBORS: Our Low Motion Transfer design means you won't even notice a restless bedmate (until they steal the blankets).

Investing in your sleep is investing in yourself: studies show that better sleep leads to better health, happiness, and productivity. With a long history of quality construction and a terrific warranty to back it up, a great mattress can change your life today.


  • 120 night comfort guarantee with free returns
  • Firm mattresses improve spinal alignment in back and stomach sleepers, and ideal all-around for those with higher BMI
  • Low Motion Transfer design lets you sleep soundly even if your partner tosses and turns
  • High Performance Moisture Wicking Fabric helps keep you dry and regulate body temperature
  • Conductive copper memory foam layer keeps your body temperature stable by drawing away heat
  • CertiPUR high density layers offer comfort without harmful and environmentally damaging chemicals
  • Dynamic Edge Coil System keeps your mattress from sagging or losing shape, while making a firmer edge for getting in and out
  • 20-Year Warranty: we guarantee construction, materials, quality, and durability so you can rest easy


  • Twin: 38 inches wide x 75 inches deep x 11 inches high
  • Twin XL: 38 inches wide x 80 inches deep x 11 inches high
  • Full: 53 inches wide x 75 inches deep x 11 inches high
  • Queen: 60 inches wide x 80 inches deep x 11 inches high
  • King: 76 inches wide x 80 inches deep x 11 inches high
  • Cal King: 72 inches wide x 84 inches deep x 11 inches high

Additional Dimensions

  • Weight Capacity: 600 pounds

Comfort Guarantee: Changing to a new mattress can take some time to adjust, so we recommend sleeping on your new mattress for 30 days. If after 30 days you are not satisfied, we will refund your money and offer free shipping on the return. Please see the attached PDF for full warranty details.

At Diamond Mattress, we believe that sleep has the power to change our lives. More than just making mattresses, Diamond is defining a better way to live by perfecting the art of sleep wellness. As a 4th generation family owned and operated company, we've been producing high quality products at a great value for over 80 years.
11 in
Other Types
Kids Mattresses
Comfort Level
Mattress Type
Hybrid, Innerspring, Memory Foam
Black, Blue, White
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Foundation Not Included
Model Number
Country of Origin
United States
Product Features
Cooling, Mattress in a Box, No Tools Assembly
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