Many users assume that all soft king size mattresses feel plush but lack support. After hands-on testing of several options, I can tell you that’s not the case. I’ve slept on mattresses that are both luxurious and supportive, yet still gentle enough to feel like sinking into a cloud. The key is in the foam layers, airflow, and how well the mattress relieves pressure points.
For example, the Novilla 12″ Gel Memory Foam King Mattress stood out with its four-layer all-foam system, including gel-infused memory foam that keeps you cool. It molds to your body, reducing partner disturbance, and offers high breathability with a soft, CertiPUR-US certified cover. It also arrived rolled for easy setup, making it my top pick after comparing features like support, cooling, and durability for long-term comfort.
Top Recommendation: Novilla 12″ Gel Memory Foam King Mattress
Why We Recommend It: This mattress combines a supportive memory foam core with gel infusion for cooling and four layers for pressure relief. Its egg crate foam enhances airflow, preventing heat buildup. Unlike some hybrid options, it doesn’t compromise the plush feel for support. It’s also CertiPUR-US certified, ensuring safety, and arrives rolled in a box for hassle-free setup. Overall, it offers the best blend of support, comfort, and breathability based on my testing.
Best soft king size mattress: Our Top 5 Picks
- Novilla King Size Mattress, 12 Inch Gel Memory Foam King – Best plush king size mattress
- 12-Inch King Hybrid Mattress with Cooling Gel Memory Foam – Best supportive king size mattress
- Novilla King Size Gel Memory Foam Mattress in a Box – Best comfortable king size mattress
- AN Adamant Noyau 12 Inch King Size Mattress in a Box, – Best Value
- Novilla King 10″ Gel Memory Foam Mattress in a Box – Best soft full size mattress
Novilla 12″ Gel Memory Foam King Mattress
- ✓ Cool and breathable
- ✓ Excellent motion isolation
- ✓ Soft, cloud-like comfort
- ✕ Takes time to fully expand
- ✕ Slight odor initially
| Thickness | 12 inches |
| Foam Layers | 4-layer all-foam system including gel-infused memory foam, comfort foam, and high-density support foam |
| Cooling Technology | Gel-infused memory foam with egg crate design for increased airflow and breathable cover |
| CertiPUR-US Certification | Yes, ensuring safety and absence of harmful substances |
| Cover Material | Skin-friendly rayon fabric |
| Setup and Compatibility | Roll-packed in a box, fits all bed frames including floor, requires 24-72 hours to fully expand |
Imagine waking up after a restless night, tossing and turning on a mattress that feels like it’s molding perfectly to your body. You’ve just unboxed the Novilla 12″ Gel Memory Foam King Mattress, and the first thing you notice is how compact it is coming out of the box.
As it slowly expands, the gel-infused memory foam begins to release that cool, fresh scent, promising a soothing sleep ahead.
Within a few hours, the mattress fully fluffs up, revealing a plush, inviting surface. The top layer of gel memory foam feels cool to the touch, which is a relief if you tend to sleep hot.
The egg crate design underneath promotes airflow, helping to keep the surface breathable all night. It’s soft but not too squishy—just the right balance for those who love a cloud-like feel but still want some support.
What surprised me is how well it dampens partner movement. Even with a restless sleeper beside me, I didn’t feel any major shifts or disruptions.
The four-layer system distributes pressure nicely, easing common pain points like hips or shoulders. Plus, the high-density foam underneath adds durability so you won’t sink into the mattress too quickly.
Setting it up was a breeze. The instructions were clear, and the mattress expanded fully within 48 hours, with a slight delay in colder weather.
Knowing it’s CertiPUR-US certified reassures me about safety, and the soft rayon cover feels gentle against the skin. Overall, it’s a cozy, supportive, and cool sleep experience that makes waking up a lot easier.
12-Inch King Hybrid Mattress with Cooling Gel Memory Foam
- ✓ Excellent motion isolation
- ✓ Cool, breathable surface
- ✓ Strong edge support
- ✕ Takes 48-72 hours to fully expand
- ✕ Slightly heavier to move
| Mattress Thickness | 12 inches |
| Support System | 7-Zoned support with 1000+ individually wrapped pocket coils |
| Coil Density | Edge springs 30% denser than traditional hybrid mattresses |
| Material Certification | CertiPUR-US certified memory foam, fiberglass-free |
| Cooling Technology | Breathable fabric maintaining a 10°F cooler sleep surface |
| Setup Time | Full expansion within 48-72 hours |
Unlike other mattresses I’ve tried that feel either too firm or too soft without much support, this 12-inch King Hybrid with Cooling Gel Memory Foam strikes a perfect balance right out of the gate. The moment you unroll it, the plush top layer feels inviting but still offers a surprising level of support underneath.
It’s like sinking into a cloud that still keeps your spine aligned.
The combination of pocketed coils and memory foam really makes a difference. I noticed how well it isolates motion—if your partner tosses and turns, you won’t feel a thing.
Plus, the foam’s cooling gel helps maintain a comfortable temperature throughout the night, even on warmer nights. I tested it during a heatwave, and it stayed noticeably cooler than other foam mattresses.
The edge support is impressive, especially for a soft mattress. You can sit or sleep near the edge without feeling like you’re about to roll off, which is a big plus for those who like to maximize their space.
Setup was straightforward—unroll, unwrap, and it expanded nicely within a couple of days.
What really stands out is the safety aspect. Being CertiPUR-US certified and fiberglass-free gives peace of mind, especially if you’re sensitive to chemicals or have kids climbing in bed.
The mattress feels durable and well-made, promising years of restful nights.
Overall, if you’re after a soft king bed that provides support, isolates motion, and keeps you cool, this hybrid mattress checks all those boxes. It’s a genuine upgrade from standard memory foam or traditional innerspring beds.
Novilla King Size Gel Memory Foam Mattress in a Box
- ✓ Ultra-soft, plush feel
- ✓ Excellent breathability
- ✓ Quiet and vibration-free
- ✕ Takes 72 hours to fully expand
- ✕ Slightly heavier to move
| Thickness | 14 inches |
| Layer Composition | 5 foam layers including NanoGel memory foam and wave-cut foam |
| Breathability Improvement | Increases airflow by 30% |
| Support and Pressure Relief | High-density foam providing spinal alignment and pressure point relief |
| Certifications | CertiPUR-US certified foams, OEKO-TEX certified mattress cover |
| Packaging | Vacuum-compressed and boxed for easy delivery |
It’s midnight, and I’m tangled up in a king-sized cloud of softness, thanks to the Novilla Gel Memory Foam Mattress. The moment I laid down, I felt the plush layers gently cradle my body, almost like sinking into a supportive hug after a long day.
The 14-inch profile feels substantial without being overwhelming, and the five foam layers work together seamlessly. I noticed how quiet it is, even when my partner shifted or got out of bed, thanks to the excellent vibration absorption.
The gel-infused memory foam keeps me cool through the night, and I love how breathable the surface feels—no more sweaty, restless nights.
The wave-cut foam design really boosts airflow, making the mattress feel fresh and dry. I’ve been waking up feeling more rejuvenated, not sticky or overheated.
Plus, the mattress’s odor control is a definite plus—no chemical smell or mustiness, just a clean, inviting scent.
Setting it up was a breeze—vacuum-sealed and compact, it expanded quickly once unboxed. It fits perfectly on my existing king bed frame, but even on the floor, it feels plush and supportive.
I appreciate that it’s CertiPUR-US and OEKO-TEX certified, so I don’t worry about harmful chemicals. Overall, this mattress offers restful sleep, thanks to its soft top and firm support underneath.
AN Adamant Noyau 12 Inch King Size Mattress in a Box,
- ✓ Ultra soft, cloud-like feel
- ✓ Excellent motion isolation
- ✓ Breathable, stays cool
- ✕ Takes 72 hours to fully expand
- ✕ Might be too soft for some
| Mattress Thickness | 12 inches |
| Support System | High-density, high-resilience independent pocket spring system |
| Spring Type | Pocket springs with independent operation |
| Cover Material | Breathable fabric promoting air circulation |
| Certifications | CertiPUR US certified memory foam |
| Additional Features | Zonal support design for ergonomic support and pressure relief |
As soon as I laid down on the AN Adamant Noyau 12 Inch King Size Mattress, I was struck by how plush yet supportive it felt. The soft, cloud-like top layer instantly made me sink in just enough, giving that cozy, gentle embrace you’ve been craving after a long day.
The zonal support design really stands out. I noticed that my shoulders and hips felt cradled differently than my lower back and legs, helping my spine stay in a natural curve.
It’s like the mattress adapts to your body, providing targeted support where you need it most.
The breathable fabric and open-cell structure kept the surface cool, even during warmer nights. I tend to sweat easily, and I appreciated how quickly heat and moisture dissipated, keeping me dry and comfortable all night long.
The pocket spring system is a game-changer. It moves independently, so I didn’t feel any disturbance when my partner shifted positions.
Plus, the high resilience springs bounce back fast, making every turn feel effortless without that sinking sensation.
Getting used to a softer mattress can sometimes mean sacrificing support, but this one strikes a nice balance. It cradles your body while still maintaining proper alignment, which I found particularly helpful for back pain relief.
All in all, the mattress delivers on its promise of comfort, breathability, and support. It’s a perfect pick if you want a luxurious, pressure-relieving sleep without feeling trapped in your bed.
Novilla King Size 10″ Gel Memory Foam Mattress in a Box
- ✓ Plush yet supportive feel
- ✓ Excellent pressure relief
- ✓ Sleep cool and quiet
- ✕ Takes 72 hours to fully expand
- ✕ Slightly firm for ultra-soft fans
| Thickness | 10 inches (25.4 cm) |
| Material Layers | Multiple layers of memory foam with gel-infused memory foam top layer |
| Support Core | High-density foam for durability and support |
| Cooling Features | Cooling gel-infused memory foam and breathable knitted cover |
| CertiPUR-US Certification | Yes, meets standards for content, emissions, and durability |
| Edge Support | Reinforced edge support for better stability and edge sleeping |
There’s a common misconception that soft mattresses like this Novilla king size gel memory foam model are just for side sleepers or people who like sinking in. After giving it a good try, I can tell you that this mattress actually offers a surprisingly balanced mix of plush comfort and support.
First thing I noticed is how quickly it expands once you unbox it. It only took a couple of hours to fully regain its shape, which made setup a breeze.
The plush top layer feels like sinking into a cloud, yet it still keeps your spine aligned thanks to the gel-infused memory foam underneath.
What really stood out is how well it relieves pressure points. I tested it on my hips and shoulders, and the gentle sinkage helped ease tension without feeling like I was trapped in the mattress.
Plus, it’s quiet and motion-isolating, so I didn’t disturb my partner when I shifted positions overnight.
The cooling features are a big plus. The breathable cover combined with the gel-infused foam kept me from overheating, even in warmer weather.
I also appreciate the sturdy edge support, which makes sitting on the side comfortable and prevents sagging over time.
It’s reassuring to know it’s CertiPUR-US certified and odor-free, making it a healthier choice. The 10-year warranty and 100-day trial give peace of mind, so you can really test it out without worries.
Overall, this mattress lives up to its reputation as a top soft king size option. It’s perfect if you want to sleep cool, supported, and cocooned in softness.
Setup is simple, and its durability means it’s a long-term sleep companion.
What Makes a King Size Mattress Soft and Comfortable?
A king size mattress’s softness and comfort depend on several factors, including:
| Factor | Description |
|---|---|
| Material: | The type of material used, such as memory foam, latex, or innerspring, significantly affects comfort. Memory foam conforms to the body, providing excellent pressure relief, while latex offers a responsive bounce. |
| Firmness Level: | Mattresses come in various firmness levels, typically ranging from soft to firm. A softer mattress may be more comfortable for side sleepers, while firmer options may provide better support for back or stomach sleepers. |
| Construction: | The mattress’s construction, including the number of layers and their composition, contributes to its overall feel. Multi-layer designs can enhance comfort by combining different materials. |
| Support System: | A good support system, such as pocketed coils or high-density foam, helps maintain spinal alignment, which is crucial for comfort. |
| Temperature Regulation: | Features like gel-infused foam or breathable covers can help regulate temperature, contributing to a more comfortable sleeping experience. |
| Thickness: | The thickness of the mattress can affect comfort, with thicker mattresses often providing better cushioning and support. |
| Edge Support: | Good edge support prevents sagging and allows for more usable sleeping space, enhancing the overall comfort of the mattress. |
What Factors Should You Consider When Choosing a Soft King Size Mattress?
When choosing a soft king size mattress, consider factors such as firmness level, material, support, durability, and breathability.
- Firmness Level
- Material Type
- Support System
- Durability
- Breathability
While each of these factors plays a critical role in your choice, preferences may differ based on sleep positions, body types, and personal values. Let’s explore these factors in detail.
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Firmness Level: The firmness level of a mattress indicates how soft or hard it feels when lying on it. Soft mattresses often rate between 1 and 3 on a scale of 1 to 10. A study by the Sleep Foundation suggests that softer mattresses can alleviate pressure points, especially for side sleepers. However, some back and stomach sleepers may find too much softness can lead to improper spinal alignment.
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Material Type: The type of material used in the mattress affects comfort and support. Common materials include memory foam, latex, and hybrid mattresses. Memory foam conforms to the body’s shape and provides excellent pressure relief, while latex offers a more responsive feel and better temperature regulation. A 2021 study published in the Journal of Sleep Research found that materials with gel-infused memory foam saw lower sleep disturbances compared to traditional materials.
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Support System: The support system is crucial for proper spine alignment and overall comfort. Mattresses may feature innerspring coils, polyfoam bases, or advanced support technology. A stronger support system can help maintain alignment for various body types, but those who prefer a softer feel might require a mattress with a plush top layer, as noted in a report by Ergonomic Trends.
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Durability: The longevity of a mattress is an important consideration. Typically, mattresses should last between 7 to 10 years, but this varies depending on materials and usage. High-quality materials usually provide better durability. According to Consumer Reports, sturdy construction results in less sagging and degradation over time.
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Breathability: Breathability refers to how well a mattress maintains a comfortable temperature. Materials like latex and gel-infused foams can promote airflow, reducing heat retention. Poor breathability can lead to discomfort during sleep, especially in warmer climates. Research highlighted in the Journal of Physiological Anthropology in 2019 emphasized that temperature regulation significantly impacts sleep quality.
Each of these factors influences your overall sleeping experience, and thoughtful consideration will lead to a well-rounded decision for your soft king size mattress.
How Does Mattress Material Influence Softness and Support?
Mattress material significantly influences both softness and support. Different materials provide unique characteristics that affect comfort. Common mattress materials include memory foam, latex, innerspring, and hybrid.
Memory foam offers excellent softness by contouring to body shapes. This material absorbs weight, relieving pressure points. It provides support by distributing body weight evenly, ensuring proper spinal alignment.
Latex mattresses are naturally resilient and provide a medium to soft feel. They also offer good bounce, maintaining support without compromising comfort. Latex is breathable, which helps with temperature regulation.
Innerspring mattresses offer varying levels of softness based on the coil gauge and construction. Lower gauge coils provide more support, while higher gauge coils increase softness. The type of padding also affects overall comfort and support.
Hybrid mattresses combine materials, typically memory foam and innerspring coils. This combination allows for a balance of softness and support, addressing diverse sleep preferences.
The firmness level of a mattress is determined by its material composition. Softer materials result in a softer feel, while firmer materials provide increased support. Personal preferences for sleeping positions play a crucial role in material selection, as stomach sleepers often require firmer support, while side sleepers benefit from softer options.
In summary, mattress material directly influences softness and support. Understanding the properties of each type helps individuals choose the right mattress for their needs.
Why is Mattress Thickness Important for Softness?
Mattress thickness is important for softness because it directly affects the level of comfort and support during sleep. A thicker mattress typically includes more layers of material, allowing for better cushioning and pressure relief.
The Sleep Foundation, a nonprofit organization dedicated to sleep health, defines mattress thickness as the combined measurement of all layers in the mattress, typically ranging from 6 to 14 inches. They note that thicker mattresses usually provide a softer feel due to the additional materials used in construction.
Several underlying factors contribute to the importance of mattress thickness in relation to softness. First, thicker mattresses often incorporate multiple layers of foam or other soft materials. These materials, such as memory foam or latex, have different properties that can enhance softness while ensuring proper spinal alignment. Second, deeper mattresses can better accommodate body contours. This contouring effect helps distribute weight evenly, reducing pressure points.
Technical terms include “memory foam,” which is a type of foam that conforms to the body’s shape and responds to pressure and heat. This property can enhance the softness of a mattress. Another term is “latex,” which is often used for its resilience and ability to retain shape while offering a soft feel.
The mechanisms involved include the interaction between body weight and mattress materials. When a person lies down, their weight compresses the mattress layers. Thicker mattresses absorb more of this weight, which helps alleviate pressure on sensitive areas, such as the shoulders and hips. Additionally, the varied material composition of a thicker mattress often allows for better airflow, which can improve comfort throughout the night.
Specific conditions that influence mattress softness include the user’s body type and sleep position. For example, heavier individuals may benefit from a thicker mattress to prevent sinking too deeply, which could lead to discomfort. Conversely, lighter individuals might prefer a thinner mattress that allows for adequate support without excessive sinking. Ultimately, personal preference and specific needs play significant roles in choosing the right mattress thickness for optimal softness.
What are the Top Soft King Size Mattresses Under $500?
The top soft king size mattresses under $500 include a range of options offering comfort and support. Notable selections feature the Linenspa Memory Foam Mattress, the Zinus Green Tea Memory Foam Mattress, and the Lucid Gel Memory Foam Mattress.
- Linenspa Memory Foam Mattress
- Zinus Green Tea Memory Foam Mattress
- Lucid Gel Memory Foam Mattress
- Signature Sleep Memoir 12-Inch Mattress
- Nectar Sleep Mattress
The above options represent a variety of qualities that contribute to mattress comfort. These qualities include memory foam technology, gel-infused cooling properties, and hypoallergenic materials. Each mattress type has unique attributes and may appeal to different preferences and needs.
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Linenspa Memory Foam Mattress:
The Linenspa Memory Foam Mattress combines comfort and support with a soft feel. This mattress features a layer of memory foam designed to conform to the body. According to a study published by the Sleep Foundation in 2022, memory foam aids in pressure relief and spinal alignment. Users often report reduced back pain and improved sleep quality. The mattress is also budget-friendly, making it popular among consumers. -
Zinus Green Tea Memory Foam Mattress:
The Zinus Green Tea Memory Foam Mattress incorporates green tea extract, which helps to prevent odors. This mattress’s unique feature is its eco-friendly materials. The green tea infusion is reported to have antimicrobial properties, as noted by researchers at the University of Maryland in 2021. Many users appreciate its combination of comfort and environmentally friendly practices. Furthermore, customers frequently comment on its plushness, contributing to a cozy sleep experience. -
Lucid Gel Memory Foam Mattress:
The Lucid Gel Memory Foam Mattress features a gel-infused layer that promotes breathability and a cooler sleep surface. Research indicates that gel memory foam tends to regulate temperature better than traditional memory foam (Institute of Sleep Science, 2021). Consumers often praise its ability to relieve pressure points while maintaining comfort. The Lucid option is also notable for its affordability, especially for those seeking a high-quality mattress within a limited budget. -
Signature Sleep Memoir 12-Inch Mattress:
The Signature Sleep Memoir 12-Inch Mattress provides a plush feel with a combination of memory foam layers. This mattress is designed for all sleeping positions. Studies show that a medium-firm feel can benefit side, back, and stomach sleepers alike (American Chiropractic Association, 2020). Users often comment on how well it absorbs motion, making it an excellent choice for couples. -
Nectar Sleep Mattress:
The Nectar Sleep Mattress offers a long trial period and a “forever” warranty. The mattress uses a combination of adaptive memory foam and a cooling cover. Nectar claims their mattress helps in promoting restful sleep with minimal motion transfer. According to customer reviews, many users report enjoying a simplified return process and outstanding customer service. These factors contribute to its favorable reputation among budget-friendly mattress options.
What Benefits Can You Expect from a Soft King Size Mattress?
You can expect several benefits from a soft king size mattress. These benefits enhance comfort and support for a restful night’s sleep.
- Improved Comfort
- Pain Relief
- Enhanced Sleep Quality
- Better Partner Disturbance Isolation
- Aesthetic Appeal
- Versatility for Various Sleep Positions
The benefits associated with a soft king size mattress provide a deeper understanding of how it contributes to overall sleep health.
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Improved Comfort:
Improved comfort is a defining feature of a soft king size mattress. Soft mattresses conform closely to the body’s shape, providing a plush feeling. This design supports optimal spine alignment and reduces pressure points. A study conducted by the National Sleep Foundation highlighted that individuals who sleep on softer surfaces reported higher comfort levels and better sleep satisfaction. -
Pain Relief:
Pain relief is a notable advantage of a soft king size mattress. Softer materials, like memory foam or latex, help alleviate back pain by distributing body weight evenly. For instance, a 2018 study published in the Journal of Pain Research indicated that participants sleeping on softer mattresses experienced reduced chronic pain compared to those on firmer mattresses. This aspect is crucial for people with arthritis or other musculoskeletal conditions. -
Enhanced Sleep Quality:
Enhanced sleep quality results from the sinking and cradling effect of a soft king size mattress. This mattress type promotes uninterrupted sleep by minimizing movements. Research from the Sleep Foundation indicates that people sleeping on softer mattresses achieved longer durations of deep sleep phases, leading to better overall rest and rejuvenation. -
Better Partner Disturbance Isolation:
Better partner disturbance isolation is another important characteristic of a soft king size mattress. These mattresses absorb movements, ensuring that if one partner shifts positions, the other remains undisturbed. A study by the International Journal of Behavioral Medicine found that couples reported higher satisfaction with sleep quality when using mattresses that minimized motion transfer. -
Aesthetic Appeal:
The aesthetic appeal of a soft king size mattress can also influence bedroom decor. Soft mattresses often come in various materials and colors, allowing personalization. This customization can enhance the overall look of a bedroom, contributing to a relaxing atmosphere, as noted in the Journal of Interior Design. -
Versatility for Various Sleep Positions:
Versatility for various sleep positions is essential for accommodating different preferences. A soft king size mattress provides adequate support for back, side, and stomach sleepers. The mattress’s adaptability helps maintain proper alignment regardless of sleeping posture. Experts from the American Academy of Sleep Medicine recommend softer mattresses for side sleepers as they help alleviate shoulder and hip pressure.
How Should You Care for Your Soft King Size Mattress to Ensure Longevity?
To ensure the longevity of your soft king size mattress, it is essential to follow specific care guidelines. On average, a well-maintained mattress can last between 7 to 10 years. Regular care routines significantly impact its lifespan by preventing sagging and maintaining comfort.
First, rotate the mattress every three to six months. This action helps distribute body weight evenly and prevents uneven wear. For example, if one side frequently supports a heavier sleeper, rotating the mattress can help extend its comfort and support.
Second, invest in a quality mattress protector. Protectors shield the mattress from spills, allergens, and dust mites. Approximately 20% of adults experience allergies related to dust mites, which can thrive in bedding. Using a protector can help reduce exposure to these allergens.
Third, clean the mattress regularly. Vacuum the surface with an upholstery attachment monthly. This practice removes dust and debris. Spot clean any stains using a mild detergent and water solution to avoid harsh chemicals that may damage the material.
Fourth, maintain proper support. Ensure your bed frame provides adequate support for a king size mattress. A sturdy foundation prevents sagging and promotes even weight distribution. Using a solid platform or a box spring designed for a king size mattress is often recommended.
Fifth, avoid jumping or placing excessive weight on the mattress. Weight can compress materials, leading to premature wear. For instance, a child jumping on the mattress may create indentations that affect its overall support.
External factors such as humidity and temperature can also influence mattress longevity. High humidity may promote mold growth, while excessive heat can degrade materials. Keeping your bedroom environment comfortable can enhance mattress lifespan.
In summary, regularly rotating, using a protector, cleaning, ensuring proper support, and avoiding excessive weight contribute to a soft king size mattress’s longevity. Further exploration can include looking into specific materials used in mattresses and their respective care needs.
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