King Size Mattress, 12 Inch Hybrid King Mattress in a Box, Medium Firm Mattresses with Memory Foam & Pocket Springs, Pressure Relief, Cool Fresh Sleep, Enhanced Edge support， 80" x 76"
Condition: New
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Thursday, Dec 4
Style: 12Inch
Size: King
Features
- CertiPUR US Hassle-Free Purchase: King size mattress prioritize your health and safety, all memory foams are certified and tested by CertiPUR US to ensure that the products are free of harmful substances and meet the highest quality and safety standards, allowing you to enjoy a comfortable sleep on a fresh and odorless mattress.
- Zonal Support Design: AN Adamant Noyau 12 inch hybrid king mattress adopts an ergonomic design with a zonal support system to provide differentiated support for different parts such as shoulders, waist and legs, ensuring that the spine maintains a natural curve, while the rapid rebound of the spring can effectively relieve pressure points.
- Stay Cool and Sleep Naturally: The 12 inch king mattress is made of highly breathable fabrics, which can effectively promote air circulation inside and outside the mattress, quickly discharge moisture and heat, and keep the sleeping environment dry and comfortable, suitable for people who are prone to sweating or sensitive to temperature. At the same time, the use of breathable materials further enhances comfort and health.
- Fit the Human Body, Sleep Freely: Our medium firm mattress adopts a high-density and high-resilience independent pocket spring system, each spring operates independently to provide precise support, the upper layer is a soft rebound layer, and the lower layer is a strong support layer, which can not only provide a comfortable fit, but also ensure that all parts of the body can be evenly supported, effectively prevent the body from sinking, and maintain a natural posture during sleep.
- Movement Isolation, Undisturbed Sleep: The spring system of the AN Adamant Noyau mattress is dynamically responsive, adapting the support force in real time to body movements and pressure changes, ensuring optimal support and rebound whether you are lying on your side, back or stomach, improving your sleep quality. At the same time, the high resilience of the spring effectively reduces the interference when turning over.
- Tips: We recommend that you open your mattress and wait 72 hours for the mattress to fully inflate for the best sleeping experience. If you have any questions, please contact our friendly customer support team.
Brand: AN Adamant Noyau
Size: King
Product Dimensions: 80"L x 76"W x 12"Th
Top Style: Pillow Top
Cover Material: Cotton
Number of Layers: 3.0
Fill Material: High Density Foam, Memory Foam
Weight Limit: 680 Pounds
Special Feature: Breathable, Hybrid Design, Pressure Relief
Color: White/Beige
Product Dimensions: 80 x 76 x 12 inches
Item Weight: 97 pounds
Manufacturer: AN Adamant Noyau
Item model number: AN-01
Date First Available: February 9, 2025
Age Range Description: general
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Dec 4
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
Style: 12Inch
Size: Full
I’m really happy with this mattress! It’s comfortable, supportive, and I’ve been sleeping so much better since I got it. The material feels high quality and it expanded quickly with no smell. Not too soft, not too firm—just perfect. Great value for the price.
Reviewed in the United States on November 20, 2025 by YANYUNCAO YANYUNCAO
Style: 12Inch
Size: King
I’ve been sleeping on this mattress for a week now and it’s been a game changer. It’s super supportive but still soft where it counts, and I don’t overheat like I did with my old one. I wake up feeling way more rested, and my back pain is noticeably better. I’d like to mention that this was in fact extremely simple to setup even tho it’s heavy with help you just simply put it on your bed frame and cut it open and let the foam rise to its original shape. I sleep cooler at night, and I don’t feel my partner moving around at all. Definitely the best sleep I’ve had in a long time. The support is great because it has more support then a traditional all foam mattress which is nice for someone such as myself that appreciates a firmer mattress rather then something super soft and plush. It’s also I’d like to add the perfect height for my bed frame and bedroom. Overall I’d highly recommend this mattress to anyone looking for something of high quality and also a great price .
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Reviewed in the United States on May 2, 2025 by Dylan Springstun
Style: 12Inch
Size: King
This mattress is amazing! It arrived quickly and was easy to set up. The medium firm feel is just right—not too soft, not too hard. Very comfortable to sleep on, with great support and no sinking feeling. I wake up refreshed every morning. Highly recommend to anyone looking for a quality king size mattress at a reasonable price!
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Reviewed in the United States on September 17, 2025 by victoria
Style: 12Inch
Size: Queen
Surprisingly comfortable, and good quality bed. I was in a situation where we my husband thought he had indigestion and ended up needing a double bypass. He was in the hospital for a week, and stairs were going to be a no go for a while, so I had a week to redo the guest bedroom. I ordered this bed after researching and reading the reviews and I was pleasantly surprised by how accurate they were. Pros: The shipping was FAST. Got this thing in two days. The bed is super compressed so it made it a breeze with a lifting buddy to get it in the house and unwrap. Oh, be careful opening; im not small, nor overly large and when I cut this thing open, it LITERALLY unrolled so quick and powerfully, it shot me clearly to the far wall of the room. But that was my bad; physics and all that are not my strong suit and at least my son had a nice laugh. Nothing was harmed but my pride. This is truly a comfortable bed. It IS in fact a very fine compromise between soft and firm. In fact, id say firm isnt the word that should be used so much as substantial; it feels solid, like youre not going to fall through, and clearly you won't have dents in it inside of six months. Its actually quality. Cons: The only real con I have is that I'd agree with all reviews that say that the edges aren't as firm as one might like. You do seem to sink down a bit farther than normal if you decide to sit onnthe edge and say, put your shoes on or something. Its not a deal breaker though; My husband was able to get in and out of bed with ease, and as our upstairs bed is a Select Comfort, he said this bed made him want to go back to spring and coil beds. And he likes to sleep firm, so that's a compliment for the sturdiness of this bed. All in all, I'd say this is a fine bed and really great for the price.
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Reviewed in the United States on June 13, 2025 by Jill
Style: 12Inch
Size: Queen
For a Amazon mattress I actually only have a few honest complaints, it does fit queen sheets well except it doesnt quite fit for all bed frames it’s hit or miss consider buying a larger bed comforter to fill in any extra space between your bed and frame it runs a bit small for American queens the texture of the fabric overlaying the bed will get stained easily and it’s hard to clean in between all of the crevices since it’s a more wrinkly texture keep in mind if you have small children, the comfort of the mattress is above average the spring foam hybrid style has improved my lower back pain within weeks of use! the noise level is nonexistent you do feel other movement throughout the bed if another is moving on it except it’s less noticeable then a normal spring mattress but I do feel the overall quality for $260 is a great deal for a mattress of a queen size delivered in a box I was worried about the bed sitting to long in the warehouse and the memory foam not expanding correctly you may be thinking the same but my mattress was of top quality no trouble inflating if anything it inflated faster then 72 hours.
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Reviewed in the United States on November 20, 2025 by Brian Moss
Style: 12Inch
Size: Queen
This 12-inch queen mattress is soft, supportive, and very comfortable. It expands quickly after unboxing and offers great pressure relief without feeling too firm. Perfect for a restful night’s sleep at a great price.
Reviewed in the United States on November 21, 2025 by Ricardo