Serta 10 inch, Cal King Mattress, Medium Mattress, Gel Memory Foam Mattress, Cooling, Pressure Relief, Mattress in a Box, Cal King Size Mattress
Best seller
Visit the Serta Store

Serta 10 inch, Cal King Mattress, Medium Mattress, Gel Memory Foam Mattress, Cooling, Pressure Relief, Mattress in a Box, Cal King Size Mattress

Serta 10 inch, Cal King Mattress, Medium Mattress, Gel Memory Foam Mattress, Cooling, Pressure Relief, Mattress in a Box, Cal King Size MattressSerta 10 Cal King Medium Tight Top Cooling Gel Memory Foam Mattress in a Box Fiberglass FreeSerta EZ Tote 10 Cooling Gel Memory Foam Mattress in a Box FullSerta 10 Queen Medium Tight Top Cooling Gel Memory Foam Mattress Fiberglass FreeSerta 10 Twin Medium Tight Top Cooling Gel Memory Foam Mattress Fiberglass FreeSerta 10 Twin XL Medium Tight Top Cooling Gel Memory Foam Mattress in a Box Fiberglass FreeSerta 10 King Medium Tight Top Cooling Gel Memory Foam Mattress in a Box Fiberglass Free
Bed Size:California King
Mattress Thickness:10 in

Key item features

  • Comfortable Support: This 10-inch medium firmness mattress features three unique foam layers, including cool gel memory foam, providing consistent comfort and pressure relief for all sleep positions.
  • Cooling Design: The gel memory foam contours to your body while offering a cooler sleep experience, as highlighted by numerous positive customer reviews.
  • Durable Construction: An all-foam, no-coil design with a durable foam mattress core ensures lasting edge-to-edge support and comfort.
  • Convenient Packaging: Shipped in a compact EZ Tote box, using 25% less cardboard, making it easy to maneuver, unpack, and set up.
  • Versatile Foundation: Compatible with various support systems, including box springs, adjustable bases, and platform beds, for optimal performance.
  • Certified Quality: Made with CertiPur-US Certified foams, this mattress is tested beyond industry standards for lasting comfort and durability.
  • Cal King Dimensions: The California King size measures 83.5 inches long, 72 inches wide, and 10 inches high.
Generated by AI
Current price is $499.00
Price when purchased online
  • Free shipping
Walmart Accident Plan by Allstate
Pro Haul Away Service

How do you want your item?

Try 30 days for just $1! Choose a plan at checkout.
How do you want your item?
Ships to
Arrives by Tomorrow
.
Order within 5 hr 51 min
Sold by Serta Simmons Bedding LLC
Fulfilled by Walmart
4.035443037974684 stars out of 5, based on 395 seller reviews(4.0)
Return policy
Packaging note:

Ships in the manufacturer's original packaging, which may reveal the contents.

walmart plus

Try 30 days of Walmart+ for just $1!

T&C apply.

About this item

Product details

Specifications

Warranty

Customer ratings & reviews

4.6 out of 5 stars
stars11.8K ratings6,752 reviews
How item rating is calculated
4.8
4.9
4.7
4.7
3.9
1.5
  1. 5 stars75% (8,883)
  2. 4 stars16% (1,897)
  3. 3 stars4% (530)
  4. 2 stars1% (171)
  5. 1 star3% (389)

Reviews summary

Pros

  • : Offers great quality at a lower cost.
  • : Setup typically takes under 30 minutes.
  • : Provides restful sleeping experience.
  • : Provides adequate support for back and body.
  • : Provides support and comfort without being too soft or hard.

Cons

  • : May take several hours or days to fully expand.
Generated by AI

Customer photos

  • +800 images
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 6,752 reviews

Oct 30, 2025
Brian
Item details
Bed size: Twin
Mattress thickness: 10 in
5 out of 5 stars review

Verified Purchase

It has held up well and remained comfortable.

We bought one of these 2 years ago to replace a cheaper mattress purchased through Amazon. This mattress is far more comfortable. Recently, our older daughter wanted to change to a day bed and needed a new mattress. Since it has held up well, we purchased another one.

Helpful?7ANA6B08QWRK943624858
Jun 21, 2025
Judith
Item details
Bed size: King
Mattress thickness: 10 in
Sold bySerta Simmons Bedding LLCDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Love the Serta

Loved everything about this purchase. Serta brand, good description, medium firmness that I wanted. Arrived in compact box. Easy to open and placed on our box spring. No odors. Very comfortable and ready to sleep on that night. We had a wonderful restful night.

Helpful?7ANA6B08QWRK943624858
Jun 14, 2025
Steven
Item details
Bed size: Twin-XL
Mattress thickness: 10 in
Sold bySerta Simmons Bedding LLCDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Twin Xl best I ever slept on

No gas smell at all. Fully formed in about an hour. Slept on that night. No problem getting used to after switching from overly soft sinky King that was hard to get out of. I assume since it's a twin, the corners and over all shape is sharp and not saggy like some of those pictures. It's firm but gives a little when I lay on my side. I don't even think about getting comfortable when I get into bed, I just go to sleep. It does what it's supposed to do. I would say it doesn't feel hard. This is the best mattress I've ever owned, and would buy again. Great buy.

Helpful?7ANA6B08QWRK943624858