The Allswell Supreme Cooling 14" California King Bed in a Box Hybrid Mattress
The Allswell Supreme Cooling 14" California King Bed in a Box Hybrid Mattress
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Allswell

The Allswell Supreme Cooling 14" California King Bed in a Box Hybrid Mattress

The Allswell Supreme Cooling 14" California King Bed in a Box Hybrid MattressThe Allswell Supreme Cooling 14 California King Bed in a Box Hybrid MattressThe Allswell Supreme 14 Bed in a Box Hybrid Mattress Twin XLThe Allswell Supreme 14 Bed in a Box Hybrid Mattress TwinThe Allswell Supreme 14 Bed in a Box Hybrid Mattress QueenThe Allswell Supreme 14 Bed in a Box Hybrid Mattress KingThe Allswell Supreme 14 Bed in a Box Hybrid Mattress FullThe Allswell Supreme 14 Bed in a Box Hybrid Mattress California King

Key item features

  • Luxurious Comfort: 14-Inches Tall: With added comfort and support, this mattress rivals some of the best high-end specialty store finds
  • Cooling Euro-Top: Built in Cooling Euro-top for that extra plush and luxury feeling
  • Hybrid Design: Our 14" Supreme hybrid mattress just got even better with a new cooling feature!
  • Motion Isolation: Individually wrapped coils help to minimize motion transfer
  • Edge Support: Reinforced quantum edges provide just the right amount of edge support
  • Pressure Relief: Fast Response Memory Foam offers pressure relief over a wide range of temperatures
  • Temperature Regulation: Copper Foam layer contours to your body and absorbs excess body heat, releasing it as needed
  • Eco-Friendly: Copper is environmentally friendly and natural
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Customer ratings & reviews

4.2 out of 5 stars
stars444 ratings255 reviews
How item rating is calculated
  1. 5 stars68% (303)
  2. 4 stars12% (54)
  3. 3 stars5% (23)
  4. 2 stars5% (20)
  5. 1 star10% (44)

Reviews summary

Pros

  • : Provides adequate support for comfort.
  • : Provides comfortable rest with adequate back and joint support.
  • : Offers high-quality features at this price point.
  • : Provides a comfortable level of support.
  • : Provides sufficient support for back and stomach sleepers.

Neutral

  • : Can be plush and pressure-relieving, but also too soft.
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Showing 1-3 of 255 reviews

May 25, 2025
Brittny
Item details
Bed size: Queen
Material: Cooling Quilted Cover
Mattress thickness: 14 in
5 out of 5 stars review

Verified Purchase

Better than my over priced mattress

Great bed, especially for the price! This shipped super fast. It is super heavy so make sure you have help or you're not taking it too far. I ordered this for the guest house at my Dads. The mattress in there was tagged April 2022, it's older than my daughter. This arrived mattress in 3 days. It set up fast. I slept like a baby, and I have a very expensive mattress at home. I'm looking at a king for my house now. I think this is better than my $3,500 mattress…insanity!

Helpful?3J4Z83WX80VC5020133835
Aug 26, 2025
Erika
Item details
Bed size: Full
Material: Cooling Quilted Cover
Mattress thickness: 14 in
5 out of 5 stars review

Verified Purchase

Very happy 😊 repeat Allswell customer

This is my second Allswell mattress, and I love it! The firmness is perfect for my back, as a person in my 50's, and a RN, I am very particular about my sleep situation. This first mattress I purchased was the brick (the firmest you can get) a few years ago and ended up putting the cooling foam topper and cloud quilted topper on it, also from Walmart/Allswell. The firmness level was perfect for my back but needed a little extra cushioning for my knees. This combination made my dream bed 🛌 😴. Still use this to this day!!! My most recent purchase was the supreme mattress, and it has a cooling attached topper, which is a must for Arizona 🌵🔥!!! This is in a guest room and the comfort level is perfect!!! I am so happy with the affordability and comfort of both purchases and will be back for sure, this is my go to mattress place now. Thank you Allswell 😊

Helpful?3J4Z83WX80VC5020133835
Sep 25, 2025
Edie
Top Reviewer
Walmart Associate
Item details
Bed size: Twin-XL
Material: Non- Cooling Quilted Cover
Mattress thickness: 14 in
5 out of 5 stars review

Verified Purchase

Pleasantly surprised

After months of sleeping on an air mattress and watching countless review videos, my husband chose this bed. So far, after two sleepings, he loves it. The bed arrived packed inside the box better than anything g we've ever received. Once the many layers of plastic were removed, the bed began to expand. It took about 8 hours for it to achieve its maximum size. We ordered the 14”, but it's actually 13”. In the event we would need to return the bed, it is impossible to put it back in its box. Hopefully, this will continue to be a good purchase and serve us well.

Helpful?3J4Z83WX80VC5020133835