12 Inch King Size Hybrid Mattress in a Box – Medium Firm Memory Foam & Pocket Coils – Cooling Comfort, Motion Isolation & Pressure Relief
Condition: New
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30-day refund / replacement
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
Monday, Sep 15
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Size: King (U.S. Standard)
Style: 12 inch
Features
- Cool & Breathable Tencel Knit Cover for Refreshing Comfort The premium Tencel knit fabric feels silky-soft and gentle on the skin. It wicks away moisture and promotes airflow, keeping you cool and dry all night. Combined with cooling gel memory foam, this mattress offers a fresh, comfortable sleep environmentideal for hot sleepers or those sensitive to heat.
- Personalized Support for All Sleep Positions Whether you sleep on your side, back, or stomach, the MAMBRC mattress adapts to your bodys pressure points. The plush memory foam contours to your natural curves, relieving tension and supporting deep, full-body relaxationnight after night.
- Zoned Pocket Coil System for Stronger Lumbar Support Equipped with high-density individually wrapped coils and reinforced lumbar foam, this mattress provides targeted support to your lower back and hips. It helps maintain natural spinal alignment, improving posture and reducing stiffness or soreness in the morning.
- Pressure-Relieving Multi-Layer Design Soft Yet Supportive Multiple layers of comfort foam work with responsive coils to create a perfect balance of plushness and firmness. It cradles your shoulders and neck while offering solid supportno more sinking in or sleeping on a rock. Enjoy consistent comfort and restful stability.
- Motion Isolation & Reinforced Edge for More Usable Space The high-resilience pocket springs absorb movement, minimizing disruptions from a restless partner or pet. Reinforced edges prevent sagging and expand the usable sleep area, so you can stretch out freely and sleep undisturbed.
Brand: Mambrc
Size: King (U.S. Standard)
Product Dimensions: 80"L x 76"W x 12"Th
Top Style: Euro Top
Fill Material: Foam, Gel Memory Foam
Color: Emerald Dusk
Model Name: 12K
Construction Type: Hybrid
Material: Foam, Memory Foam
Manufacturer: Mambrc
Product Dimensions: 80 x 76 x 12 inches
Item Weight: 80.3 pounds
Manufacturer: Mambrc
Item model number: MAM-12K
Date First Available: July 30, 2025
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Sep 15
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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Learn more about financing & leasing here.
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Top Amazon Reviews
Size: Queen (U.S. Standard)
Style: 14 inch
This mattress is amazing! We were looking for something comfortable but supportive, and this hybrid is perfect. It’s medium firm, so it gives good support while still being soft on the body. We sleep better and wake up without back pain. It was easy to set up and expanded quickly after opening. Highly recommend for anyone looking for a quality mattress at a good price.”
...
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Reviewed in the United States on September 3, 2025 by Luis Yoel Rodríguez Orama
Size: King (U.S. Standard)
Style: 12 inch
I recently purchased this king-size mattress and I’m very impressed! It’s supportive yet soft, with just the right balance of comfort and firmness. I’ve noticed a big improvement in my sleep quality—no more tossing and turning or waking up with back pain. The mattress expanded quickly after unboxing and had no strong odor. Plenty of space for two people to sleep comfortably. Great value for the price, highly recommend!
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Reviewed in the United States on August 30, 2025 by Kristina
Size: King (U.S. Standard)
Style: 12 inch
The media could not be loaded. This mattress exceeded my expectations - it’s the perfect balance of softness and support, and I wake up without any aches or pains. The cooling feature really makes a difference, and I don’t overheat at night like I did with my old mattress. Setup was super easy right out of the box, and it feels like a luxury bed for a fraction of the price - a video is attached so you can see how easy it is upon receiving it!
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Reviewed in the United States on September 10, 2025 by Vincent Buff
Size: King (U.S. Standard)
Style: 12 inch
I've been sleeping on this mattress for a few days and the difference is incredible. It is firm but at the same time comfortable, I feel that it holds my back well without sinking too much. The design also looks elegant and of good quality. It doesn't heat up as much as other mattresses I've had and the surface feels fresh. Very happy with the purchase, it's really worth it
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Reviewed in the United States on September 2, 2025 by Zulemi Miquilena Zulemi Miquilena
Size: King (U.S. Standard)
Style: 12 inch
The media could not be loaded. Very comfortable mattress! The hybrid design with memory foam and pocket coils gives perfect support while staying cool at night. Great motion isolation and pressure relief. Highly recommend for a restful sleep!
Reviewed in the United States on September 3, 2025 by Jorge
Size: King (U.S. Standard)
Style: 12 inch
This mattress exceeded my expectations. The combination of memory foam and pocket coils provides the perfect balance of firmness and comfort. It feels very cool at night and really helps me sleep without being disturbed by movement. It arrived well-packaged, in perfect condition, and was easy to set up. Excellent quality and highly recommended.
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Reviewed in the United States on September 3, 2025 by Mary Rangel
Size: King (U.S. Standard)
Style: 12 inch
The media could not be loaded. This mattress is so extremely comfortable! It was very easy to setup and didn’t take long at all after unboxing for it to fully form shape. Has great support and extreme comfort. Love that it is not too soft but just firm enough to give the support you need to get the best nights sleep. Excellent mattress for an excellent price.
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Reviewed in the United States on August 25, 2025 by The Garbers The Garbers
Size: King (U.S. Standard)
Style: 12 inch
The media could not be loaded. I am very satisfied with this mattress. It is firm enough to provide good support but still feels soft and comfortable. I sleep well without back pain, and it keeps cool during the night. The quality is excellent, and it arrived well packaged. A great choice for anyone looking for comf
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Reviewed in the United States on August 26, 2025 by gonzalo bustos