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Simmons
Simmons Brittany Luxury Firm Split California King Mattress

Simmons Brittany Luxury Firm Split California King Mattress

Best price now

$599.99at Mattress NationChecked 1 h ago
Deal: 65% off at Mattress Nation →

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Price facts

  • Lowest price today: $599.99 at Mattress Nation (checked Nov 11, 2026).

Our take on the Simmons Brittany Luxury Firm Split California King Mattress

The Simmons Brittany Luxury Firm is a gel memory foam mattress sold in a split California King, meaning two independent halves that each fit an adjustable base. The firm feel and foam construction suit back and stomach sleepers who want a flat, supportive surface with little bounce. It is a niche pick: split sizes cost more than a single mattress and the foam runs warm for some sleepers. Shoppers comparing it with hybrid and innerspring rivals should weigh its motion isolation against their extra airflow and edge support.

Best forCouples who want separate adjustable-base positionsBack and stomach sleepers who prefer a firm feelPeople who want strong motion isolationGuest or primary bedrooms with an adjustable frame
Pros
  • Two independent halves move separately on an adjustable base
  • Gel memory foam adds cooling versus plain foam
  • Firm surface keeps the spine aligned for back and stomach sleepers
  • Foam absorbs motion well, so a partner's movement stays local
  • No springs means no squeaks or coil noise
Cons
  • Split California King costs more than a standard single mattress
  • All-foam build sleeps warmer than hybrids with coil airflow
  • Edge support is softer than a coil mattress
  • Firm feel may be too hard for side sleepers
  • Heavy and awkward to move without help

Simmons Brittany Luxury Firm Split California King Mattress prices at every store

  • Mattress NationNew

    In stock

    $599.99Checked 1 h ago
    Visit Mattress Nation

Simmons Brittany Luxury Firm Split California King Mattress price history

Lowest price we've seen: $599.99 on Nov 11 at Mattress Nation. Tracked across 1 store since Nov 11.

What reviewers say

Owners of the Brittany line generally describe a firm, quiet foam mattress that isolates motion well and works on an adjustable base. Complaints center on heat retention and softer edges, and some side sleepers find it too hard.

What people mention
  • FirmnessMixedBack and stomach sleepers like the firm support, while side sleepers often find it too hard.
  • TemperatureCriticisedSeveral owners say the foam traps heat and sleeps warmer than expected.
  • Motion isolationPraisedPartners report that movement on one side barely carries to the other.
  • Edge supportCriticisedThe perimeter compresses more than a coil mattress, so sitting on the edge feels less secure.
  • Split designPraisedOwners like that each half adjusts independently on an adjustable base.

From Mattress Nation

  • Luxury firm comfort level
  • Layers of GelTouch foam
  • AirCool Gel Memory Foam
  • AirCoolMAX Memory Foam
  • Support with a fair amount of give
  • Floor sample item
Sizes
Split California King
Shipping
Only available for local pickup or delivery within 100 miles of the store's locations.

Specifications

Size
California King
Type
Gel Memory Foam

Questions and answers

What does split California King mean?
It is two separate California King halves placed side by side. Each half can move independently on an adjustable base, and each fits its own frame section.
Is this mattress good for side sleepers?
It is firm, so many side sleepers find it too hard on the shoulders and hips. Side sleepers usually do better on a softer or hybrid model.
Does it need a box spring?
No. A firm, flat foundation or an adjustable base works; a box spring is optional and not required for the foam.
Will it sleep hot?
The gel foam helps somewhat, but it is still an all-foam mattress and some owners report it sleeps warm. A cooling cover or a cooler room helps.
Can the two halves be used on separate bases?
Yes. The split design lets each half sit on its own adjustable base, so partners can set different positions.
How does it compare with a hybrid mattress?
It isolates motion better and is quieter, but hybrids generally offer more airflow and firmer edges.
Where is the Simmons Brittany Luxury Firm Split California King Mattress cheapest?
At Mattress Nation, for $599.99, 65% off, as of our latest check.

Stores we've priced the Simmons Brittany Luxury Firm Split California King Mattress at

  • Mattress Nation deals and prices

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