Everest Cool Copper Hybrid Mattress in a modern bedroom setting on a sleek white platform bed frame. Side view of the 14-inch Everest Cool Copper Hybrid Mattress with black pleated side panels. Studio view of the Diamond Everest Cool Copper Hybrid Mattress highlighting the luxury quilted cover. Angled top view of the Everest Cool Copper Hybrid Mattress showcasing the 14-inch supportive profile. Front view of the Everest Cool Copper Hybrid Mattress with a plush 14-inch Euro top design. Close-up of the Diamond Everest Cool Copper Hybrid Mattress corner detailing the cooling fabric. Cross-section of Diamond Everest Cool Copper Hybrid Mattress showing cooling memory foam and coils.
Diamond Everest Cool Copper Hybrid Mattress (14" Euro Top)
Ultra Soft Soft Medium Soft Medium Medium Firm Firm Extra Firm

Diamond Everest Cool Copper Hybrid Mattress (14" Euro Top)

$1,499.99
$1,749.99
Save $250.00
Brand: Diamond
Size
Comfort Level
Best for Stomach sleepers
i Size Guide
$1,499.99
Only 9 left in stock
Free Shipping In USA Free Shipping In USA
20 Year Warranty 20 Year Warranty
120 Night Sleep Trial 120 Night Sleep Trial

Dream on a summit of soothing coolness. 

The Diamond Everest Cool Copper Hybrid Mattress layers copper-infused memory foam layers beneath a plush Euro-top, actively drawing heat away for restorative sleep with cooling comfort. 

Beneath the foam, individually wrapped coils are zoned to give orthopedic support for spine alignment, keeping shoulders relaxed while your lower back stays buoyant. 

Because every sleeper is different, you can choose between Firm, Medium, or Plush feels. Each is designed to cradle pressure points so you can glide into deep REM sleep instead of tossing. 

There’s also high-density foam edge support that expands the usable surface so couples can stretch out confidently. 

Finally, all foams are CertiPUR-US certified for peace of mind while your investment rides home in a sturdy mattress-in-a-box for easy setup.

Cooling Copper Memory Foam

Absorbs and disperses excess body heat for sweat-free slumber.

Zoned Nested Coil Core

Targets lumbar support while relaxing lighter areas, easing morning stiffness.

Euro-Top Plushness

Adds a cushioned, hotel-style hug without sacrificing support beneath.

Edge-to-Edge HD Foam Rails

Creates a larger usable surface and a stable sitting edge.

Minimal Partner Disturbance

Individually wrapped coils limit motion ripple so couples stay asleep.

Key Mattress Benefits

Diamond Everest Cool Copper Hybrid Mattress (14" Euro Top)

5 Layers
Of Cooling
Comfort

Cooling fabric actively draws heat away from the body to maintain a fresh and comfortable sleep surface.

Copper-infused memory foam contours to pressure points while dispersing heat for a cooler and more hygienic sleep environment.

Supportive transition foams stabilize the body and ensure smooth weight distribution across the mattress.

Individually wrapped coils provide targeted spinal alignment while minimizing motion transfer for uninterrupted rest.

Reinforced edge rails expand the usable sleep surface and provide consistent support when sitting or lying near the edges.

Diamond Everest Cool Copper Hybrid Mattress (14" Euro Top)
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Whether its day or night, our dedicated team is always available to answer questions, resolve issues, and guide you through every step.

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Not sure which mattress suits you best? our sleep experts are here to help you choose the perfect option tailored to your comfort, health and lifestyle needs.

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Designed for deep comfort and better rest, so you wake up refreshed and ready for the day

Yes. The plush Euro-top cushions shoulders while zoned coils keep hips level, making it comfortable for side, back, or combo sleepers.

Copper naturally draws heat away and resists microbes, helping maintain a cooler, cleaner sleep surface over time.

Most modern hybrids work on any rigid, slatted, or platform base. If you prefer added height, a box spring or Cloudy adjustable base is optional.

Typical hybrids reach full shape in 24-48 hours. Sleeping on it the first night is generally fine, though the feeling may improve over the first few days.

Most pocket-coil hybrids flex with adjustable frames. If you plan to pair them, choose Cloudy’s “Add Adjustable Bed” option at checkout for guaranteed fit.

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