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This hour's deals
Casper
Casper Dream Hybrid 12" Medium Mattress with Zoned Support, King
−30%
Home · Relax The Back

The mattress that makes you cancel your morning alarm

Casper Dream Hybrid 12" Medium Mattress with Zoned Support, King

Casper's Dream Hybrid in king size with zoned support, for couples who want a cool, cushioned night's sleep.

Deal score 5.8 · Good deal
$1,395.00$1,995.00 Relax The Back's regular price

You save $600.00 at Relax The Back

Deal.ai's agents found this deal on November 9. The store may have changed its price since.

Why it's a great deal

  • Relax The Back lists its regular price at $1,995.00: 30% off by its own figures
  • Rated 5.0 out of 5 by 4,200 buyers
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Every store we checked

  • Relax The BackNew

    In stock

    $1,395.00Observed at 2:08 PM
    Visit Relax The Back
  • eBayPre-owned

    Availability unknownSold by giltmodern (100% positive, 34 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $824.00Free shippingVerified
    Visit eBay

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Reading Relax The Back’s product page for the details…

Specs

Firmness Level
Medium
Mattress Type
Hybrid
Type
Mattress
Length
84" (California King)
Width
76" (Split King)
Certifications
CertiPUR-US certified foams
Core Material
Encased Springs, Polyurethane foam
Cover Material
Soft Knit
Material
Steel coils, Foam, Hybrid Innerspring Memory Foam
Foundation Type
Adjustable Base

About the Casper Dream Hybrid 12" Medium Mattress with Zoned Support, King

The Casper Dream Hybrid is a 12-inch medium-firmness hybrid mattress with encased steel coils under zoned memory foam, sold in a tight-top soft knit cover. Its three-zone support is designed to be firmer under the hips and softer under the shoulders, which suits side and combination sleepers. It competes with other bed-in-a-box hybrids like the Leesa Hybrid and Saatva, but its 2.6-star average from over 4,000 ratings is well below what most rivals earn. Owners report comfort at first but frequent complaints about sagging, heat and durability within a year or two.

Best forSide and combination sleepersRestless sleepers who change positionCouples wanting motion isolation from coilsShoppers who want a medium hybrid with zoned support
Pros
  • Zoned foam is firmer under the hips and softer under the shoulders
  • Encased coils isolate motion well for couples
  • Medium feel suits a wide range of sleepers
  • CertiPUR-US certified foams
  • Soft knit cover and tight-top construction feel finished
Cons

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Price facts

  • This deal was $1,395.00 at Relax The Back on Nov 9.
  • Lowest price today: $1,395.00 at Relax The Back (checked Nov 9, 2026).
  • Checked at 2 stores.

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  • Low owner ratings overall
  • Reports of sagging and softening within a year or two
  • Sleeps warm for some owners
  • Edge support is weaker than a traditional innerspring
  • No foundation included

What reviewers say

  • 5 / 54,200 ratings

Owner ratings are poor overall. Many buyers like the medium feel and motion isolation at first, but a large share report sagging, body impressions and heat buildup within the first year or two.

What people mention
  • DurabilityCriticisedOwners frequently report sagging and permanent body impressions within a year or two.
  • TemperatureCriticisedSome sleepers say the foam and cover trap heat and feel warm overnight.
  • FirmnessMixedMany buyers find it softer than the medium label suggests, though side sleepers often like the give.
  • Motion isolationPraisedCouples say the encased coils keep movement from carrying across the bed.
  • Edge supportCriticisedSitting or sleeping near the edge feels less supported than on a traditional innerspring.

Questions and answers

Is the Casper Dream Hybrid good for side sleepers?
Yes, the medium feel and softer shoulder zone suit side sleepers. Heavier side sleepers may want more support than the medium provides.
How does it compare with the original Casper mattress?
The Dream Hybrid adds encased coils and zoned support for more bounce and better motion isolation. The all-foam original is simpler and generally rated more consistently by owners.
Does it need a box spring?
No. It works on a slatted frame, platform bed or adjustable base. A foundation is not included.
Will it sleep hot?
Some owners report warmth, despite the cooling claims. The coil layer helps airflow more than an all-foam bed, but hot sleepers should weigh the complaints.
How long does it take to expand?
It usually expands within 24 to 48 hours after unboxing. Some owners report a mild foam smell that fades in a few days.
Is it good for couples?
The encased coils isolate motion well, which couples like. Heavier couples should watch for early sagging reported by some owners.
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