Luxury King Size Mattress 14 Inch, Hybrid Firm King Mattress in a Box, 7-Zones& Extra Edge Support, Cooling Gel Memory Foam& Pocketed Spring, Motion Isolation, Pressure Relief, Fiberglass-Free
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Availability:
20 left in stock
Arrives
Tuesday, Apr 14
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Style: 14 Inch Firm
Size: King
Features
- Luxury Comfort King Size Mattress [NOT Include Bed Frame]: Skin-friendly breathable 3D knitted frabic offers a cloud-like touch, ensuring a soft and cozy embrace throughout the night. It gently contours to your body, relieving pressure points and enhancing comfort, making every sleep a luxurious experience
- Comfortable Breathable Firm King Mattress: Cooling Hybrid Gel Memory Foam and Pocketed Springs, Innovative cooling gel-infused foam technology actively regulates body temperature. It effectively dissipates heat, preventing overheating and maintaining an optimal sleeping climate, allowing you to enjoy a cool and refreshing sleep
- Pressure Relief and Stable Construction: A multi-layered, multi-functional foam and thousands of independent springs work together to create an ergonomic sleep system.Precision-engineered support system is designed to maintain natural spinal alignment. It provides targeted support to different body zones, reducing back pain and promoting healthy posture, waking you up feeling rejuvenated
- Quiet and Low Motion Transfer Systems: Built with a noise-free structure, the mattress ensures undisturbed sleep. The pocketed springs system minimizes motion transfer, allowing you and your partner to move freely without disturbing each other, for a peaceful slumber
- Mattress King Size 14 Inch In a Box: Comes in a compact box for easy transportation and home delivery. The installation process is simple - just open the box, unfold it, carefully slice through the vacuum packaging, and then stay away to wait for expansion, preferably give it 48-72 hours for full expansion, after which it will provide you with superior sleeping comfort.Suitable for standard bed frame types (including platforms, adjustable, slat bases and box spring)
- Reliable Customer Support: Whether you have pre-purchase questions or post-purchase concerns, feel free to ask us a question with our 24/7 customer service support team
Brand: Ruoysun
Size: King
Product Dimensions: 80"L x 76"W x 14"Th
Item Firmness Description: Firm
Top Style: Euro Top
Cover Material: Cloud-Like 3D Knitted Frabic
Number of Layers: 8
Fill Material: Gel Memory Foam
Weight Limit: 1000 Pounds
Special Feature: Breathable, Low Motion Transfer, Pressure Relief
Item Firmness Description: Firm
Number of Layers: 8
Weight Capacity Maximum: 1000 Pounds
Additional Features: Breathable, Low Motion Transfer, Pressure Relief
Mattress Coil Type: Pocketed Coil
Construction Type: Hybrid
Is Customizable?: No
Size: King
Item Dimensions L x W x Thickness: 80"L x 76"W x 14"Th
Item Dimensions: 80 x 76 x 14 inches
top-style: Euro Top
Color: Black
Style Name: 14 Inch Firm
Brand Name: Ruoysun
Age Range Description: Adult
Model Name: Hybrid Mattress
Product Benefits: Back Pain Relief, Improves Sleep, Posture Support, Stress Relief
Model Number: RA14KF26A
Manufacturer: Ruoysun
Cover Material: Cloud-Like 3D Knitted Frabic
Fill Material: Gel Memory Foam
Mattress Comfort Layer Material: Gel Memory Foam
Material Type: Gel Foam
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Apr 14
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
I wasn’t sure what to expect from a mattress at this price point, but it turned out to be a solid choice. We got it for a guest room, so I wasn’t aiming for luxury—just something decent, comfortable, and not flimsy. Setup was simple: unbox, unroll, and let it expand. It’s packed tight, but with a little time, it fluffs up fine. Ours arrived in good shape with no noticeable odor, which I appreciated given some of the “mattress in a box” complaints I’ve seen before. Before handing it off to guests, I gave it a test run—and I’d have no problem sleeping on it myself. It’s medium-firm, maybe a little on the firmer side, but with enough give to feel cushioned. The top gel memory foam layer has a soft, slightly cool surface, and the springs (or whatever’s inside) give it decent structure and support. I tried a foam mattress years ago and hated it—too mushy and hot—but this is a big improvement. No weird sinking feeling, just good support. It seems to do a decent job staying cool. It’s not dramatically “cooling,” but it’s noticeably more breathable than older all-foam beds (seriously, never again). For hot sleepers or warm weather, that’ll help. Edge support is better than I expected—no major sagging when you sit on the side—and the overall build feels stable. If I had to nitpick, I’d say it might feel a little soft if you’re looking for something truly firm. But with mattresses, it all comes down to personal preference and what you’re used to. It’s never going to be a one-size-fits-all situation. The outer cover is fine but pretty basic. I added a mattress protector—because, hey, guest room. As for pricing: I generally avoid basing reviews or opinions too heavily on cost, since prices on this platform change constantly and there are often deals, coupons, and promotions. In this case, I haven’t done an exhaustive comparison with similar items, so I can’t factor an assessment of subjective “value” into this review. I will say that, based on past experiences with mattress purchases, it seemed fair. Bottom line: good support, decent cooling, easy to set up, and guest-bed approved.
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Reviewed in the United States on April 30, 2025 by deebee
This mattress is a game-changer for a good night’s sleep. The combination of gel memory foam and pocket springs offers excellent pressure relief and support, keeping me comfortable all night. It sleeps cool thanks to the breathable design, which is perfect for warmer nights. Medium firm is just right—not too soft, not too hard. Setup was easy since it comes compressed in a box, and it expanded quickly. Great value for a full-size hybrid mattress.
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Reviewed in the United States on September 8, 2025 by Sarah S.
Very easy setup - just take it out of it's surprisingly small box, let it breathe, and it's good to go. I gave it about 8 hours before laying on it, and that was plenty. No weird chemical smell either; just a clean, neutral scent right out of the packaging, which was a nice surprise. It’s about a 3 out of 5 on the firmness scale. Definitely on the medium-soft side, but the pillow top gives it a nice bit of plush without feeling like you’re sinking into a marshmallow. Good balance if you like some give but still want support underneath. All in all, a solid mattress for the price. Simple to unbox, comfortable to sleep on, and I didn’t wake up sore—which is really the bottom line.
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Reviewed in the United States on June 23, 2025 by Customer
It fully expands in place within a few hours after opening, and there is no odor, which is a plus. Its overall structure is a hybrid design of upper gel memory foam + bottom pocket spring. The first feeling when sleeping on it is soft and supportive. The medium hardness is just right so that I can feel the stable support of my waist and back as soon as I lie down, and it is not too hard to be uncomfortable. The gel memory foam feels soft and cushioning, and it also feels cool. It is indeed much cooler to sleep than traditional sponge mattresses, especially for people like me who are afraid of heat in summer. It is not easy to sweat and wake up at night. This really surprised me. The pocket spring part is also very stable. Each spring is individually packaged. When turning over, it basically does not affect the other side. Even if two people sleep together, it is very stable, and the motion isolation effect is good. The structure around the mattress is also very stable. The edge will not be soft when sitting on it. I care about this. It is much better than my previous cheap mattress. The mattress fabric is skin-friendly and feels very comfortable. I feel more at ease after adding a protective cover. The only small drawback is that although it is a cool design, you still need to use air conditioning or a fan in a particularly hot environment. It’s not that you can completely “cool down” by relying on a mattress alone, but it is indeed much more breathable than an ordinary foam mattress.
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Reviewed in the United States on April 20, 2025 by SFC
It's perfect ! It comes so compact that it's hard to believe there is a full sized mattress in the box ! It does take a couple of days to come to its full shape and size and once it does - you will have such a great sleep that you will forget it took so long to wait for it to fluff up. The thickness is nice, no box spring needed here, you will need deep pocket sheets though. I have suffered from back pain for most of my life that has only gotten more pronounced as I have gotten older and this mattress is helping to alleviate some of that discomfort and I am so grateful for that ! I definitely think this is worth every penny spent and it - anything that can help someone sleep better and wake up feeling better in the morning is worth it's weight in gold !
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Reviewed in the United States on May 26, 2025 by P. Clouse