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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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.
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Availability:
In Stock.
Arrives
Tuesday, Mar 17
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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
Item Weight: 70 Pounds
Item Firmness Description: Medium Firm
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
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, Mar 17
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
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
Spectacular product, it exceeded my expectations. Excellent value for money. It's comfortable, not too firm, and helps with back posture. I recommend it.
Reviewed in the United States on January 12, 2026 by Maite
We looked through many mattresses when moving into the new apartment, and this has been one of our best purchases. It's been two months and we really loved it. It's big and comfortable, I would say it's medium firm but very comfy for us. We got the 14-inch king size, and loved the height and thickness, which made it really nice to put on the rug directly
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Reviewed in the United States on September 11, 2025 by Eric Liu Eric Liu
I’ve had this mattress for the past four days and so far I absolutely love it. It’s a little firmer than I expected but in a good way. It offers great support without feeling too hard. After sleeping on a bad mattress for way too long, I used to wake up with constant back pain. But since switching to this one, I can already feel the difference. My back pain has started to ease up and I’ve been getting solid, restful sleep each night. For the price, this mattress is a great deal. If you’re on the fence, I highly recommend giving it a try.
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Reviewed in the United States on July 26, 2025 by Frederick
My husband and I bought this mattress to upgrade in size from our queen. We were on a budget and the $1200 ones, in store, weren’t cutting it. I took a chance on this one after reading reviews and looking at Amazon deals. I got this one for just under 300. For a king bed in general, an absolute steal. We went from a plush nectar mattress that we didn’t love at all. This one holds it shape so much better. It’s soft but not too soft. I was surprised by it having coils and still being able to arrive so compact. My husband and I both sleep SO much better and love this bed. I’m excited to see how it holds up over the years but a few weeks in and it’s great
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Reviewed in the United States on September 29, 2025 by Shawnee elliott
As described, arrived quickly. About a month out and we're still very pleased with this purchase. Thank you. Not too firm, not too soft, just right for our tired bones.
Reviewed in the United States on January 2, 2026 by Dene
After only two months of use, the mattress started to sag noticeably. Since then, both my wife and I have experienced ongoing back and neck pain. The mattress is very uncomfortable and does not provide proper support. Because of this, we are unable to sleep well, and it has significantly affected our sleep quality and daily comfort. I regret purchasing this mattress.
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Reviewed in the United States on December 24, 2025 by Alaa Serhan
I waited to write this until after we had it for a while. This bed is great. I wasn’t sure how an inexpensive mattress would do but this feels like a normal mattress. We needed a cheaper option that we don’t care about taking with us when we move. This is very functional and incredibly comfortable.
Reviewed in the United States on November 7, 2025 by Chelsea Fischer