LETMOON King Size Mattress [New Version], 12 Inch Gel Memory Foam Hybrid Mattress King Bed in a Box, Pressure & Pain Relief, Individual Pocket Spring, Edge Support, Medium Firm, CertiPUR-US
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Availability:
Only 10 left in stock, order soon!
Arrives
Saturday, Jul 25
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Item Firmness Description: Medium Firm
Item Thickness: 12.0 Inches
Size: King (U.S. Standard)
Features
- BETTER SUPPORT & PRESSURE RELIEF: LETMOON 12 inch king size gel memory foam mattresses adopts 7-layer hybrid design, that base on our years of mattress research, and it is an ergonomic practice, with a load capacity of 700 pounds, provides medium firm support. No fiberglass
- ENJOY HEALTHY SLEEP: LETMOON gel memory foam hybrid mattress adopts an independent pocket spring matrix distribution, this zone design can effectively absorb the noise of your partner's sleep turning over in bed or getting in and out of bed that waking you up. Multi-layer foam of the top section provides a good fit for pain relief. Zoned spring layers from center to bottom provide support and MOTION ISOLATION. The solid edge support design enhances durability, you needn't worry about sinking
- PREMIUM & BREATHABLE: For your long-term good sleeping environment, LETMOON mattress materials are all certified to enhance the mattress's reliability and durability. The surface is made of knitted fabric similar to a pillow top, with a classic cloud quilting design, which can create an extremely comfortable touch and excellent breathability. This mattress is suitable for hot sleepers, seniors, and back sleepers
- MATTRESS IN A BOX: LETMOON 12 inch king mattress size is 80" x 76" x 12". It was rolled up, compressed into a box, and sent to your home. It's very easily to open and install, fits most bed frames, box spring, bunk bed, slatted bed, flat platform, bed floor. To maintain the best effect, please leave the mattress for 72 hours after opening until fully stretched
- WORRY FREE: LETMOON mattress meets CertiPUR-US standards, provides 100 days of free trial service and 10 years of safety and durability support. If you are not satisfied, please ASK in time and we will give you a satisfactory reply within 24 hours
Brand: LETMOON
Size: King (U.S. Standard)
Product Dimensions: 80"L x 76"W x 12"Th
Item Firmness Description: Medium Firm
Top Style: Euro Top
Cover Material: Knitted Fabrics
Number of Layers: 1
Fill Material: Gel Memory Foam
Weight Limit: 700 Pounds
Special Feature: Breathable, Low Motion Transfer, Pressure Relief
Item Firmness Description: Medium Firm
Number of Layers: 1
Weight Capacity Maximum: 700 Pounds
Additional Features: Breathable, Low Motion Transfer, Pressure Relief
Mattress Coil Type: Pocketed Coil
Construction Type: Hybrid
Size: King (U.S. Standard)
Item Dimensions L x W x Thickness: 80"L x 76"W x 12"Th
Item Thickness: 12 Inches
Item Dimensions: 80 x 76 x 12 inches
Item Depth: 12 inches
Cover Material: Knitted Fabrics
Fill Material: Gel Memory Foam
Mattress Comfort Layer Material: Gel Memory Foam
Material Type: Gel Foam
Brand Name: LETMOON
Model Name: S0108
Product Benefits: Improves Sleep, Posture Support, Pressure Relief
Model Number: S0108
Manufacturer: LETMOON
Set Name: King
Unit Count: 1.0 Count
Age Range Description: Adult
top-style: Euro Top
Color: White
Style Name: 12 Inch
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jul 25
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Item Firmness Description: Medium Firm
Item Thickness: 12.0 Inches
Size: California King
It truly is a cal king in a box. No unpleasant or pleasant odors. We gave it 3 days before we slept on it. It's as advertised. It's comfy. Get it.
Reviewed in the United States on June 1, 2026 by Scott B.
Item Firmness Description: Medium Firm
Item Thickness: 12.0 Inches
Size: King (U.S. Standard)
Nice bed for the price, very comfortable
Reviewed in the United States on June 2, 2026 by SUSAN P.
Softer than i expected it to be.
Reviewed in the United States on August 11, 2025 by Kenneth H.
This review is for the Full Size Mattress, 8 Inch Gel Memory Foam Hybrid Full Size Bed in a Box, Full Bed Mattress for Pressure & Pain Relief, Certipur-US, Motion Isolation Pocket Spring, Edge Support. For a long time I wouldn't get one of these newer style mattresses as I just wasn't convinced they were a better choice over the traditional seperate box spring and mattress sets. And I had no worry about it for a long time until we needed to get new mattresses. So since that time has arrived and I was fortunate enough to get this in my offers I grabbed it, and I must say I'm happy I did! I had also recently gotten another like this that's thicker, which is fine for me. I like this is only 8 inches thick as we like to have our beds raised up on risers for the added underbed storage spaces it provides. I got this for 1 of our spare bedrooms when family visits. But do not mistake only being 8 inches thick that it can not do it's job of providing and promoting a supportive comfortable restful night's sleep! This is as well made a mattress as any I've ever looked at in any mattress/furniture store! And it would be much higher priced in a brick & mortar store. Do yourself a favor and save some money! This is a beautiful mattress too! The quilted med firm top is fantastic, providing support with cushioning. And let's not forget the individually wrapped pocket coil springs with extra support around the edges, which is really nice so it doesn't collapse on you when you sit on the edge of the bed or if you like to sleep near the edge. And all the layers of foam in between. Personally I sleep alone, so I can't speak as to whether a bed partner would feel motion by another, but I can say this is not a wimpy mattress weebles and wobbles... Stitching is excellent throughout the mattress. So this comes vacuum sealed rolled up, I'm amazed they can do what they do with these! Be careful cutting it open, unbox it in the room you want it in on the bed! Give it 2 or 3 days to fully expand for best results before sleeping on it. And this is heavy weighing in at 51 Lbs, os you may need help moving it. Speaking as someone who has a very bad back, if you have issues too, this euro top hybrid mattress is worth giving it a try to see if it helps you! Regular price $ 189.99 per the listing, which I think is a great pricepoint!
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Reviewed in the United States on April 27, 2025 by TD
I have used nothing but full memory foam beds for the last decade so I know the pros and cons of owning one. It was time to toss out my regular mattress so I wanted to pick something that was a little different to see if would be better for my sleep. I was surprised to find out you could get hybrid beds with memory foam and springs that will ship in a box so I just had to try this one out. This arrived in a box that I was able to carry and place on my own so I didn't need to request anyone else to help me. Once you take it out of the box it has instructions and a tool to make sure you get it right on the first try. I was able to unfurl the mattress on my own too so I was pleased. After you get the plastic off the mattress starts to expand very quickly. The bed is nice and airy and didn't feel like a brick. The top has a very nice pillow like feel while to lower portion has all the supporting structure. It was a little odd using springs again but these are the springs you got in beds of yesteryear these are a new design that won't poke you or feel stiff in certain spots. I am very happy with the feel and comfort of the bed and have spent enough nights on it to make a complete judgement. The only thing I did not like is that it is pretty squeaky. When you get on the bed and any little movement you make will result in some squeaking. I have gotten used to it for the most part but I get complaints from the others in my house about the noise.
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Reviewed in the United States on June 11, 2025 by Damian
We ordered this mattress in a full size for our guest room. The height of the mattress is a good size and worked well on the bed frame we have without a box spring under it. The mattress is a decent thickness and has a very comfortable cushion top. Although you normally have sheets on the mattress, it does look very nice when there are no sheets on the bed. We have had a few guest sleep on it so far and they have all said it was very comfortable. For the price this is a very good mattress and should last many years. The only thing I would add to the mattress is handles. Other mattresses I have owned had handles to make it easy when you need to move or adjust the mattress on the frame. Our mattress did not have any handles. Overall I am very happy with this mattress and I am glad we ordered it!
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Reviewed in the United States on August 11, 2025 by Charlene
Very nice well made & comfortable 12in full size gel memory foam hybrid mattress. The mattress arrives in a box with air tight packaging, once you release the mattress it will take up to 24hrs to fully expand to its normal regular which is 75” L x 54” W x 12” thick. The mattress has a good look & design with dark blue borders with gold/yellow trim detail & a white soft comfortable firm mattress top that is a hybrid memory foam & density foam material. The mattress is definitely comfortable to sleep on with a good nights rest, the current price listed is a fair value for this full size & thickness.
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Reviewed in the United States on September 18, 2025 Reviewed in the United States on September 18, 2025 by J.J
I love this bed. I have chronic neck and shoulder pain and my old mattress would make me wake up stiff and pained. This mattress is comfortable, cool, and helps relieve my pressure to give me a solid nights sleep. I like that its not just a memory foam or spring mattress but instead gives the best of both worlds. I find memory foam can be either too firm, or excessively soft. Spring mattresses have pressure point spots that always make me achy in the same place in the mornings. The combo of both on this, PLUS individual pocket coils make this mattress a dream to sleep on. I've slept on mattresses that cost multiple times what this one does and felt disappointed. After sleeping on this, I dont want to go back to spring only or memory foam only mattresses.
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Reviewed in the United States on July 17, 2025 by Joe