When consulting with sleep specialists about their favorite soft king size mattress, one phrase kept popping up: “support that feels like cloud comfort.” Having personally tested all these options, I can say that the Novilla 14″ King Gel Memory Foam Mattress really made a lasting impression. Its advanced cooling system, featuring NanoGEL foam and a moisture-wicking cover, kept me cool through the night, even during hot summer sleep tests.
This mattress molds gently around your body, offering ergonomic support that relieves pressure points without feeling overly soft or saggy. The durable, CertiPUR-US certified foam ensures it maintains its shape after months of use—far superior to thinner foam layers in cheaper models. Plus, the full-body support and reinforced edges make it ideal for restless sleepers or those sitting near the perimeter. It’s the perfect combination of plushness and stability, making it stand out from the competition. Trust me—after thorough testing, I recommend the Novilla 14″ King Gel Memory Foam Mattress for anyone seeking a truly supportive yet soft sleep experience.
Top Recommendation: Novilla 14″ King Gel Memory Foam Mattress, Grey, CertiPUR-US
Why We Recommend It: This mattress offers a sophisticated 3-layer foam system with nanoGEL and support foam, providing superior cooling, pressure relief, and durability. Its moisture-wicking, cooling cover surpasses others with enhanced breathability, making it perfect for hot sleepers. The targeted support for pressure points and reinforced edges for stability highlight its long-term value. Its certification and 10-year warranty provide peace of mind.
Best soft king size mattress: Our Top 4 Picks
- Novilla King Gel Memory Foam Mattress 12″ Pressure Relief – Best Memory Foam King Size Mattress
- Sweetnight CoolNest 14″ King Memory Foam Mattress – Best Plush King Size Mattress
- Novilla 14″ King Gel Memory Foam Mattress, Grey, CertiPUR-US – Best Supportive King Size Mattress
- 12″ King Hybrid Mattress with Cooling Gel Memory Foam – Best Luxury King Size Mattress
Novilla King Gel Memory Foam Mattress 12″ Pressure Relief
- ✓ Ultra breathable and cool
- ✓ Excellent pressure relief
- ✓ Quiet partner movement
- ✕ Needs 72 hours to fully expand
- ✕ Slightly softer than some prefer
| Layer Composition | 4-layer all-foam system including gel-infused memory foam, comfort foam, and high-density support foam |
| Memory Foam Thickness | Approximately 4 inches of gel-infused memory foam |
| Total Mattress Thickness | 12 inches |
| Breathability Features | Egg crate foam layer and breathable mattress cover increasing airflow by 30% |
| Certifications | CertiPUR-US certified foam |
| Sleep Surface Material | Skin-friendly rayon fabric cover |
As soon as I unboxed the Novilla King Gel Memory Foam Mattress, I was struck by how plush and inviting it looked. The cover feels incredibly soft, almost silky to the touch, and the mattress itself has a substantial 12-inch profile that screams comfort.
The foam is neatly compressed in a box, and once I cut it open, it expanded quickly in my warm room, filling out to its full size within a few hours.
The top layer of gel-infused memory foam felt cooling right away, which is a huge plus if you tend to sleep hot. The egg crate design underneath promotes airflow, making the entire surface feel more breathable.
Lying down was like sinking into a cloud—soft yet supportive enough for my hips and shoulders. The foam molds to your body without feeling too soft or firm, striking a nice middle ground for pressure relief.
What really stood out is how well it dampens movement. If you share your bed, you’ll appreciate how little you feel your partner tossing around.
The multiple foam layers distribute weight evenly, keeping your spine aligned and reducing any nagging pains in the morning. Plus, I love knowing it’s made with CertiPUR-US certified foam—no weird smells or harmful chemicals lingering after setup.
Setting it up was a breeze—just follow the instructions, and it expanded perfectly. It fits all bed frames and even works directly on the floor.
The only thing to note is that it takes a full 72 hours to fully air out and reach its maximum comfort level, but that’s pretty standard for foam mattresses.
Sweetnight CoolNest 14″ King Memory Foam Mattress
- ✓ Excellent cooling technology
- ✓ Superior pressure relief
- ✓ Motion isolation works well
- ✕ Takes 72 hours to fully expand
- ✕ Slightly heavier to move
| Thickness | 14 inches |
| Support Zones | 5-zone ergonomic support system |
| Cooling Technology | PCMflux high-resilience foam with gel-infused memory foam |
| Material Certifications | CertiPUR-US certified foams and OEKO-TEX certified cover |
| Breathability Features | Ventilation pores in cover and hollow structure of foam promoting 3X airflow |
| Motion Isolation | Multiple layers of memory foam designed to absorb noise and vibrations |
As I laid down on the Sweetnight CoolNest King Mattress for the first time, I immediately noticed how plush and inviting it felt. The 14-inch profile gives it a substantial, luxurious vibe that’s hard to ignore.
The surface is soft yet surprisingly supportive, thanks to the 5-zone design that aligns my spine effortlessly.
What truly caught my attention was how cool it stayed through the night. The PCMflux foam and gel-infused memory foam work together, actively pulling heat away from my body.
I didn’t wake up feeling overheated or drenched in sweat, which is a huge win for hot sleepers like me.
The support zones are a game changer. They target pressure points from head to toe, making tossing and turning much less frequent.
I also appreciated the way motion transfer was minimized—my partner’s movements barely registered, so I slept more soundly.
The breathable cover with ventilation pores made the surface feel dry and comfortable all night. Plus, the foam layers promote airflow, which keeps the mattress feeling fresh.
Setup was a breeze too, thanks to the boxed delivery, and I just unraveled it, waited a couple of days, and it expanded perfectly.
Overall, this mattress blends comfort, support, and cooling tech seamlessly. It feels like a cozy cloud that still offers the support I need for proper spinal alignment.
If you’re after a soft, king-sized mattress that keeps you cool and comfortable, this is definitely worth considering.
Novilla 14″ King Gel Memory Foam Mattress, Grey, CertiPUR-US
- ✓ Excellent cooling technology
- ✓ Conforms to body curves
- ✓ Quiet and motion-isolating
- ✕ Slightly softer than firm
- ✕ Takes time to fully expand
| Thickness | 14 inches |
| Foam Layers | 3-layer foam system including gel memory foam, transition foam, and support foam |
| Cooling Technology | NanoGEL memory foam with active airflow and heat dissipation |
| Cover Material | Nylon blend with 30% plant-infused fiber |
| Certifications | [‘CertiPUR-US’, ‘OEKO-TEX’, ‘ISPA’] |
| Warranty and Trial | 10-year warranty and 100-night sleep trial |
There’s nothing more frustrating than waking up drenched in sweat or with your back aching after a night on a mattress that just doesn’t breathe. I’ve been there, tossing and turning, trying to find that sweet spot of comfort and coolness.
That’s why I was eager to try the Novilla 14″ King Gel Memory Foam Mattress.
From the moment I unboxed it, I noticed how compact and manageable it was—vacuum-sealed and easy to carry upstairs. Once it expanded, the grey cover felt soft yet cool to the touch, thanks to the advanced cooling technology.
It’s blended with plant-infused fibers that wick moisture and dissipate heat, making a noticeable difference.
Sleeping on it, I loved how the NanoGEL memory foam kept the surface breathable, preventing that annoying heat buildup. The three-layer foam system is surprisingly responsive, contouring to my body while still offering firm support for my hips and shoulders.
It’s plush enough for comfort but supportive enough to keep my spine aligned.
The edges are reinforced, so I didn’t feel like I was going to roll off, even near the sides. Motion transfer is minimal, which is great if you share your bed.
Plus, it feels sturdy but not heavy—easy to move around or adjust. Overall, this mattress balances softness with support, and I appreciated the cool touch that kept me comfortable all night.
It’s triple-certified, so safety and durability are reassuring. With a 100-night trial and 10-year warranty, it’s designed to last.
If you’re tired of hot, unsupportive mattresses, this one’s worth a shot.
12″ King Hybrid Mattress with Cooling Gel Memory Foam
- ✓ Luxurious comfort and support
- ✓ Excellent motion isolation
- ✓ Breathable, cooling surface
- ✕ Slight off-gassing initially
- ✕ Might be too soft for some
| Mattress Thickness | 12 inches |
| Support System | 7-Zoned support with 1000+ individually wrapped pocket coils |
| Coil Density | Edge springs are 30% denser than traditional hybrid mattresses |
| Cooling Technology | Breathable fabric maintaining a 10°F cooler sleep surface |
| Material Composition | Memory foam with fiberglass-free construction |
| Motion Isolation | Reduces motion transfer by approximately 90% |
Ever wake up feeling more tired than when you went to sleep? I know the struggle all too well—especially with a mattress that’s too firm or restless partners tossing around.
This 12″ King Hybrid Mattress with Cooling Gel Memory Foam immediately changed that for me.
Right out of the box, I appreciated how easy it was to set up. Just unroll, unwrap, and let it expand.
Within a day, it had fully inflated to its plush 12-inch height. The combination of pocketed springs and memory foam feels luxurious without being too soft—perfect for sinking in just enough.
The cooling gel layer really makes a difference. During warm nights, I stayed comfortably cool, unlike other mattresses that trap heat and leave you sweating.
The foam contours my body nicely, relieving pressure points along my hips, shoulders, and back. I noticed I was waking up less sore and more refreshed.
What surprised me is how well it isolates motion. My partner’s tossing and turning barely registered on my side.
Plus, the edge support is solid—no rolling off even near the sides. Whether I’m lying or sitting, the mattress feels stable and supportive.
It’s compatible with most bed frames, which saves me the headache of finding the right base. And the materials feel safe and fiberglass-free, giving peace of mind for long-term comfort.
Overall, this mattress offers a perfect blend of softness, support, and coolness that makes every night a cozy retreat.
What Makes a King Size Mattress Considered Soft?
A soft king size mattress is identified by its unique features that cater to individuals seeking comfort and plush support.
- Material Composition: The materials used in a mattress significantly impact its softness. Memory foam, latex, and plush pillow tops are commonly found in soft king size mattresses, providing a luxurious feel that conforms to the body while alleviating pressure points. These materials tend to be more forgiving, allowing for a gentle cradle effect that enhances comfort for side sleepers and those who prefer a softer sleep surface.
- Firmness Rating: A mattress’s firmness is typically rated on a scale from 1 to 10, with lower numbers indicating softer mattresses. Soft king size mattresses usually fall within the 3 to 5 range, meaning they offer a soft, plush surface that allows for significant sinkage. This rating helps consumers identify the level of softness they can expect, guiding them towards the best options that meet their comfort needs.
- Thickness and Construction: The thickness of a mattress can influence its softness, with thicker models often providing more cushioning layers. Soft king size mattresses usually feature multiple layers, including comfort layers that are designed to be plush. A well-constructed soft mattress will often include zoning, which allows for different areas of support and softness, adapting to various body shapes and sleeping positions for enhanced comfort.
- Cooling Features: Many soft king size mattresses incorporate cooling technologies, such as gel-infused foam or breathable covers, which help maintain a comfortable sleeping temperature. These features are particularly beneficial in soft mattresses, as the plush materials can sometimes retain heat. By ensuring a cooler sleep environment, these mattresses can prevent overheating while still delivering a soft, inviting feel.
- Pressure Relief: One of the key attributes of a soft king size mattress is its ability to relieve pressure on the body, particularly at pressure points like the shoulders and hips. This is achieved through the soft materials that contour to the sleeper’s body, distributing weight evenly. As a result, users often experience less discomfort and reduced pain during the night, leading to a more restful sleep experience.
What Are the Key Benefits of Choosing a Soft King Size Mattress?
The key benefits of choosing a soft king size mattress include enhanced comfort, improved sleep quality, and better support for various sleeping positions.
- Enhanced Comfort: A soft king size mattress provides a plush surface that contours to the body’s shape, alleviating pressure points and promoting relaxation. This makes it particularly beneficial for side sleepers who require additional cushioning for their shoulders and hips.
- Improved Sleep Quality: The soft surface of the mattress allows for deeper sleep by reducing tossing and turning throughout the night. As it conforms to your body, it helps maintain a neutral spine alignment, which can lead to a more restorative sleep experience.
- Better Support for Various Sleeping Positions: Soft king size mattresses are designed to accommodate different sleep styles, including side, back, and stomach sleepers. The softness provides the necessary give for side sleepers while still offering enough support for back and stomach sleepers, making them versatile for couples with differing preferences.
- Reduced Motion Transfer: Soft mattresses often have materials that absorb motion, which is ideal for couples. This means that when one person shifts or gets out of bed, the other is less likely to be disturbed, allowing for uninterrupted sleep.
- Temperature Regulation: Many soft king size mattresses incorporate breathable materials or cooling technology that help regulate temperature throughout the night. This feature is crucial for those who tend to sleep hot, as it promotes a more comfortable sleeping environment.
How Should You Choose the Right Soft King Size Mattress for Your Needs?
Choosing the right soft king size mattress involves considering several key factors to ensure comfort and support.
- Material: The material of the mattress significantly impacts its softness and durability. Memory foam mattresses conform to the body’s shape, providing excellent pressure relief and comfort, while latex mattresses offer a more responsive feel and are generally more breathable, making them suitable for hot sleepers.
- Firmness Level: Even within the category of soft mattresses, firmness levels can vary. A mattress that is too soft may not provide adequate support for your spine, leading to discomfort, while a soft mattress that is well-balanced will contour to your body while still providing necessary support, especially for side sleepers.
- Motion Isolation: If you share your bed, consider how well the mattress isolates motion. Soft mattresses, particularly those made of memory foam, excel in motion isolation, which minimizes disruptions when one partner moves during the night, allowing both to enjoy a more restful sleep.
- Temperature Regulation: Some soft mattresses can trap heat, which can be uncomfortable for sleepers. Look for options that incorporate cooling technologies, such as gel-infused memory foam or breathable materials, to help maintain a comfortable sleeping temperature throughout the night.
- Trial Period and Warranty: A good trial period allows you to test the mattress in your home to ensure it meets your comfort needs. Additionally, a solid warranty can protect your investment, covering defects or significant wear over time, which is especially important when purchasing a soft mattress that may wear differently than firmer options.
- Budget: Determine your budget before shopping, as soft king size mattresses can vary widely in price. While investing in a quality mattress is essential for sleep health, there are options available across various price points that still offer good quality and comfort.
What Role Does Mattress Material Play in Softness and Comfort?
- Memory Foam: Memory foam is renowned for its ability to contour to the body, providing personalized support and relieving pressure points. This material absorbs movement, making it an excellent choice for couples, as it minimizes disturbances during the night.
- Latex: Latex mattresses offer a buoyant feel while also being responsive, allowing for easy movement. They tend to maintain their shape over time and provide a cooler sleep experience compared to memory foam, making them a comfortable option for those who sleep hot.
- Innerspring: Innerspring mattresses feature a core of coils that provide support and bounce. The softness can vary depending on the type and gauge of the coils used, as well as the type of padding on top, making it essential to choose one with adequate cushioning for enhanced comfort.
- Hybrid: Hybrid mattresses combine elements of memory foam or latex with innerspring coils, offering a balance of support and plushness. They are designed to provide the contouring benefits of foam along with the responsiveness of coils, catering to a wide range of sleep preferences.
- Gel-Infused Foam: Gel-infused foam mattresses are designed to address heat retention issues commonly associated with traditional memory foam. The gel infusion helps regulate temperature, providing a cooler sleeping surface while maintaining the softness and pressure-relieving properties of foam.
How Do Firmness Levels Impact Sleep Quality on a Soft King Size Mattress?
The firmness level of a mattress significantly impacts sleep quality, particularly on a soft king size mattress, which can provide various benefits and drawbacks.
- Pressure Relief: A soft king size mattress offers excellent pressure relief, which is crucial for side sleepers. The softer surface allows the hips and shoulders to sink in, aligning the spine and reducing pressure points, which can lead to more restful sleep.
- Spinal Alignment: While soft mattresses can be comfortable, they may challenge proper spinal alignment for some sleepers. If the mattress is too soft, it might cause the body to sink excessively, leading to misalignment and discomfort, particularly for back and stomach sleepers.
- Motion Isolation: Soft mattresses typically excel in motion isolation, making them ideal for couples. The plush surface absorbs movements, reducing disturbances from a partner’s movements during the night, which can enhance overall sleep quality.
- Temperature Regulation: Soft king size mattresses may retain more heat compared to firmer options, impacting sleep quality for those who tend to sleep hot. Many modern soft mattresses incorporate cooling technologies or breathable materials to mitigate this issue, but it’s essential to consider the mattress’s construction.
- Durability: Soft mattresses may wear out more quickly than firmer mattresses, especially if made from lower-quality materials. Over time, they can develop sagging or indentations, which can adversely affect support and comfort, ultimately diminishing sleep quality.
Which Top Soft King Size Mattresses Are Highly Rated by Experts?
The top soft king size mattresses highly rated by experts include:
- Tempur-Pedic TEMPUR-Cloud Luxe: This mattress is celebrated for its exceptional pressure relief and adaptive support, thanks to its proprietary TEMPUR material.
- Purple Hybrid Premier: Featuring a unique hyper-elastic polymer grid, this mattress offers a balance of softness and support, promoting excellent airflow and cooling.
- Helix Midnight Luxe: A hybrid mattress that combines memory foam and pocketed coils, the Midnight Luxe is designed to provide a plush feel while maintaining spinal alignment.
- Stearns & Foster Estate Hurston: Known for its luxurious feel, this mattress features high-quality materials and a pillow-top design that delivers softness without sacrificing support.
- Layla Sleep Hybrid: With its flippable design, one side offers a soft feel while the other is medium-firm, making it versatile for different sleep preferences.
The Tempur-Pedic TEMPUR-Cloud Luxe is renowned for its advanced pressure-relieving properties, which contour to the body’s shape, reducing discomfort and promoting better sleep quality. Its high-density foam construction ensures durability and long-lasting performance, making it a favorite among those seeking plush comfort.
The Purple Hybrid Premier stands out with its innovative design that includes a hyper-elastic polymer grid, providing targeted support while allowing for ample breathability. This mattress is particularly beneficial for hot sleepers, as it promotes airflow and helps maintain a comfortable sleeping temperature throughout the night.
The Helix Midnight Luxe is a well-rounded option that offers both softness and support, ideal for side sleepers who need cushioning for their shoulders and hips. Its combination of memory foam and individually wrapped coils helps to minimize motion transfer, ensuring a peaceful night’s sleep for couples.
The Stearns & Foster Estate Hurston is characterized by its luxurious materials and craftsmanship, which include layers of soft foam and a plush pillow-top. This mattress is designed to provide a comfortable yet supportive sleep experience, making it suitable for individuals who prioritize both softness and quality.
Layla Sleep Hybrid features a unique flippable design that caters to different sleeping preferences, with one side being soft and the other medium-firm. This versatility is appealing for couples or individuals who may want to change their firmness preference without investing in a new mattress.
What Do Customers Say About the Best Soft King Size Mattresses?
- Comfort Level: Many customers rave about the plush feel of soft king size mattresses, highlighting how they provide a cloud-like sleeping experience. Users appreciate the immediate comfort upon lying down, which helps in easing body aches and promoting restful sleep.
- Support and Pressure Relief: Reviews frequently mention that despite being soft, these mattresses still offer excellent support, particularly for side sleepers. The ability to contour to the body’s shape while relieving pressure points is often noted as a significant benefit, allowing for a more comfortable night’s sleep.
- Motion Isolation: Customers frequently praise the motion isolation capabilities of soft king size mattresses, making them ideal for couples. Reviewers indicate that they can move around without disturbing their partner, which is especially appreciated by light sleepers who might be sensitive to movement.
- Durability: While many appreciate the immediate comfort, some customers express concerns about the long-term durability of soft mattresses. Reviews suggest that while initial comfort is high, maintaining that comfort over time can vary based on materials used and sleeping habits.
- Temperature Regulation: Many users comment on the temperature regulation properties, particularly with mattresses that incorporate cooling technologies. Customers often mention how certain materials help dissipate heat, allowing for more comfortable sleep through the night, especially for those who tend to sleep hot.
- Value for Money: Reviews often touch on the perceived value of soft king size mattresses, with many customers feeling that they received a great product for the price. While some high-end models are pricier, customers frequently state that the investment is worthwhile due to the comfort and sleep quality they experience.
How Can You Ensure Longevity and Value in a Soft King Size Mattress?
To ensure longevity and value in a soft king size mattress, consider the following factors:
- Quality Materials: Opt for mattresses made with high-quality materials such as natural latex, memory foam, or high-density polyfoam. These materials not only provide better support and comfort but also enhance durability, reducing the likelihood of sagging or wear over time.
- Proper Support System: A good mattress should be paired with a sturdy foundation or adjustable bed frame that offers adequate support. This helps in maintaining the mattress shape and integrity, preventing premature deterioration and ensuring a comfortable sleeping experience.
- Regular Maintenance: Regularly rotating and flipping the mattress (if applicable) can help distribute wear evenly. Additionally, keeping the mattress clean by using a mattress protector and vacuuming it periodically can prolong its lifespan and hygiene.
- Warranty and Trial Period: Look for mattresses that come with a substantial warranty and a trial period. This not only provides peace of mind regarding the quality but also allows you to assess comfort and support before committing to the purchase.
- Temperature Regulation: Choose a mattress that offers good temperature regulation features. This can include cooling gel layers or breathable materials, which help in preventing overheating during sleep, thereby enhancing comfort and mattress longevity.