King Mattress 14 Inch, Medium Firm Hybrid with Memory Foam for Pressure Relief & Spinal Alignment - Supportive Comfort Without Sinkage, Superior Zoned Support, Extra Lumbar Support, Motion Isolation
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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
Tuesday, Nov 25
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Size: King
Style: 14 Inch
Features
- Turn Off Pressure. Float into Sleep:The OFFTRZ 14-inch King Size Hybrid Mattress adjusts to your body for personalized comfort. The soft, pressure-relief plush top layerlow-resistance foam and gel memory foamcradles every contour. Experience a floating feel with no instant pushback, just multi-layer contouring comfort.
- Gently Lifts and Supports Your Lower Back (Dual-Zone Support):Zoned cushioning foam contours to your body while keeping you lifted. The Superior Zoned Support System, featuring 8.5 high-compression pocketed coils with reinforced zones and edges, provides enhanced lumbar support and stability, making this king 14 inch mattress a great choice for those needing extra reinforcement.
- Soft Yet SupportiveThe Perfect Feel Sleepers Love:It all starts with the OFFTRZ High-Compression Spring Systemshorter coils for stronger support and a thicker, more contouring comfort layer. The 8.5 high-compression pocketed coils reinforce the edges and isolate movement, ensuring balanced comfort in this hybrid mattress.
- Stay Cool, Sleep Naturally:The 14 inch king mattress is comfortable, breathable, and cooling. The gel memory foam effectively wicks away moisture, keeping you cool and dry throughout the night. The independent pocket spring system enhances airflow, preventing trapped heat for a cooler sleep experience.
- CertiPUR-US Certified & Worry-Free Warranty:All foams in this firm mattress are CertiPUR-US certified, ensuring durability and safety. We offer a 10-year worry-free warranty. Allow 72 hours for full expansion after unboxing. Unbox with caution as the mattress may expand rapidly. For any assistance, please contact our customer support team.
Brand: OFFTR z
Size: King
Product Dimensions: 80"L x 76"W x 14"Th
Top Style: Euro Top
Cover Material: Plush
Number of Layers: 5
Fill Material: Gel Memory Foam, High Density Foam, Hybrid Springs, Memory Foam
Weight Limit: 600 Pounds
Special Feature: Back Pain Relief, Edge support enhancement, Pressure Relief, Promote spinal alignment, Zone Support
Color: Cool White
Product Dimensions: 80 x 76 x 14 inches
Item Weight: 70 pounds
Manufacturer: OFFTRZ
Item model number: OFB1
Date First Available: March 31, 2025
Age Range Description: Adult
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Nov 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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- Affirm Financing
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- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Size: King
Style: 14 Inch
There are few purchases as important as a mattress, and when you find one that truly delivers on its promises, it's worth shouting from the rooftops. I can confidently say that my 14-inch, medium-firm King mattress has been the single best and most comfortable mattress I have ever owned. It's a game-changer for my sleep quality, and I wake up feeling refreshed and pain-free every morning. The "medium firm" designation is the perfect sweet spot. It provides an incredible amount of support without feeling like you're sleeping on a rock. The 14-inch thickness isn't just for show; it's a testament to the multiple layers of high-quality foam and springs working in harmony. The top layer offers just enough plush comfort to cradle your body and relieve pressure points, especially on my hips and shoulders. It's the perfect balance of a gentle hug and firm support. What truly sets this mattress apart is its ability to provide exceptional support while also isolating motion. My partner and I can both toss and turn throughout the night without disturbing each other. The individually wrapped coils and dense foam layers absorb movement so well that it feels like we're sleeping in separate beds—a huge plus for a peaceful night's rest. The build quality is also top-notch. It's heavy and substantial, and you can feel the quality in its construction. There's no sagging or sinking, even after months of use. The reinforced edges mean you can sit on the side of the bed without feeling like you're going to slide off, which is a detail you don't appreciate until you have it. In short, if you're looking for a mattress that offers the ideal combination of plush comfort and robust support, this 14-inch medium-firm King is it. It's an investment in your health and well-being, and I can't recommend it enough. My sleep has never been better, and it's all thanks to this incredible mattress.
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Reviewed in the United States on September 22, 2025 by Adan V
Size: Twin
Style: 10 Inch Plush
This mattress is the perfect mix of soft and firm—it gently cushions my body while giving strong lumbar support. I love how cool it stays at night and how stable the edges feel. Setup was easy, and it expanded fully within a day. Great quality, very comfortable, and worth every penny!
Reviewed in the United States on September 29, 2025 by Mark Mark
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Style: 10 Inch Plush
I’m genuinely impressed with this 10-inch twin hybrid mattress! It arrived well-packaged in a compact box and expanded quickly to full size with no strong odor. The memory foam layer provides amazing pressure relief while the zoned springs add sturdy lumbar support, keeping my back pain-free and my body well-aligned all night. It has the perfect balance of plush comfort and firm support — soft on top but not too sinky. I love how breathable it is, keeping me cool throughout the night. After a few weeks of use, I’m sleeping deeper and waking up refreshed. The 100-night trial gives great peace of mind, but I’m already sure this one’s a keeper. Highly recommend for anyone looking for a comfortable, supportive, and affordable twin mattress.
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Reviewed in the United States on October 14, 2025 by The ONE CA
Size: Twin
Style: 10 Inch Plush
The media could not be loaded. I love the comfort of this mattress. It comes all vacuum sealed and rolled up but after opening and waiting a few hours, it rises and becomes so squishy and comfortable. It does not hurt my back so definitely has great support but still cozy. The build quality feels amazing and the size is great for my smaller bedroom. Easy to open up and let it sit at first and you can move it around the house in the box easily. Place it where you want it and then open it up. Great packaging and it comes just as it would from the furniture store. It is hard enough to support my body and I do not snore with the support. I am happy with my new mattress and really needed a higher quality mattress from my previous one. The sheets fit well over it even though it is thinner. You can choose a few heights and it was exactly as described. Great dreams and I wake up refreshed.
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Reviewed in the United States on September 8, 2025 by Melissa Lafe
Size: Queen (U.S. Standard)
Style: 12 Inch
Comfortable, no smell
Reviewed in the United States on October 26, 2025 by Angel Malpass
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Style: 10 Inch Plush
I was honestly surprised by how comfortable this OFFTR 10-inch twin mattress is. It expanded quickly after unboxing, and the firmness is just perfect — soft enough to be cozy but supportive enough for my back. The materials feel high-quality, and I’ve been sleeping much better since I got it. For the price, it’s definitely worth it. Highly recommend it for a guest room or everyday use!
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Reviewed in the United States on October 31, 2025 by zoiler marengo zoiler marengo
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Style: 10 Inch Plush
I'm very happy with this mattress. It arrived well packaged and was easy to unpack; it quickly took shape. It feels firm yet comfortable, ideal for resting without back pain. The foam conforms well to the body, and the springs provide good support. I bought it for my son, and he tells me he's slept much better. I recommend it for anyone looking for a good-quality, deep-rest mattress.
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Reviewed in the United States on October 10, 2025 by Erika Erika