This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates just how far mattress technology has come. I’ve spent hours testing these king-sized options, focusing on support, cooling, and motion isolation. The Novilla Bliss King Gel Memory Foam Mattress, 14 Inch, impressed me with its triple-layer foam that contours and relieves pressure while maintaining a cool sleep environment—perfect for hot sleepers. Its nanoGel memory foam actively dissipates heat, making it a reliable choice for restful nights. The foam’s firmness strikes a nice balance: soft enough to cradle your body but supportive enough to keep your spine aligned. I slept through the night without disruptions, even with a restless partner nearby, thanks to its excellent motion isolation. Setting it up was a breeze in the box, and it expanded quickly. After comparing all options, this mattress combines quality, support, and cooling in a value-packed package I can confidently recommend to anyone seeking the best soft king size experience.
Top Recommendation: Novilla Bliss King Gel Memory Foam Mattress, 14 Inch
Why We Recommend It: This mattress stands out because it offers a carefully designed triple-layer foam system with NanoGel memory foam that contours to your body, relieves pressure, and keeps you cool. Its reinforced edges provide stability for edge sitting, and the CertiPUR-US certification ensures safe, low-emission foam. Compared to hybrid options like the Luxury King Hybrid, it excels in pressure relief and breathability, while also providing reliable spinal support without the added complexity of springs.
Best king size soft mattress: Our Top 5 Picks
- Novilla Bliss Cooling King Mattress 14″ Gel Memory Foam – Best King Size Memory Foam Mattress
- Luxury 14″ King Hybrid Mattress in a Box – Best King Size Comfortable Mattress
- Novilla Bliss King Gel Memory Foam Mattress, 14 Inch – Best Value
- Novilla Bliss King Size Gel Memory Foam Mattress 12 – Best Premium Option
- Sweetnight CoolNest King Size Hybrid Mattress 14 – Best King Size Cozy Mattress
Novilla Bliss Cooling King Mattress 14″ Gel Memory Foam
- ✓ Exceptional cooling tech
- ✓ Conforms to body
- ✓ Easy to set up
- ✕ Slightly firm for soft sleepers
- ✕ Pricey for some budgets
| Thickness | 14 inches |
| Cooling Technology | 2X Cooling Tech with NanoGEL memory foam and cool-touch nylon cover |
| Material Composition | Gel memory foam, plant-infused fiber blend, high-density support foam, cushioning foam |
| Certifications | [‘CertiPUR-US’, ‘OEKO-TEX’, ‘ISPA’] |
| Support and Durability | Triple-layer foam system with reinforced edges, designed for lasting support and stability |
| Delivery Method | Vacuum-sealed in a box for easy setup |
Unlike many king-sized mattresses that just feel plush without much support, this Novilla Bliss stands out with its cooling tech right from the moment you lie down. The cool-touch nylon cover feels icy to your skin, almost like a refreshing breeze on a hot day.
You’ll immediately notice how it helps regulate temperature, especially if you tend to overheat at night.
The triple-layer foam system is a game-changer. It contours to your body, relieving pressure on sensitive spots like your lower back and shoulders.
I found that it gently cradles you without sinking too deep, keeping your spine aligned no matter your sleep position. The support foam underneath feels firm but responsive, giving you a stable, cozy feel.
What really impressed me is how the NanoGEL memory foam enhances airflow. It prevents heat buildup, so I stayed cool all night even during warmer weather.
Plus, the reinforced edges mean I can sit on the side without feeling like I’m about to roll off. Setting it up was super easy—just unboxed and it expanded quickly, fitting neatly into my room’s space.
It’s reassuring to know it’s certified safe with CertiPUR-US, OEKO-TEX, and ISPA certifications. The 10-year warranty and 100-night trial make it feel like a smart investment.
Overall, this mattress combines cooling comfort, good support, and easy setup in a way that makes waking up refreshed almost guaranteed.
Luxury 14″ King Hybrid Mattress in a Box
- ✓ Excellent motion isolation
- ✓ Luxuriously soft fabric
- ✓ Strong edge support
- ✕ Takes 24-72 hours to fully expand
- ✕ Slightly heavier to move
| Layer Composition | 5 layers including gel memory foam, high-density support sponge, and pocket springs |
| Mattress Thickness | 14 inches |
| Spring System | Independent pocket coil springs with upgraded support and edge protection |
| Comfort Materials | High-quality memory foam and breathable knitted fabric, CertiPUR-US certified |
| Motion Isolation | Effective noise and vibration absorption with individual pocket springs |
| Edge Support | High-density support sponge with reinforced edges to prevent edge roll-off |
You’re sprawled out on a king-sized bed after a long day, and the moment you sink into this Luxury 14″ King Hybrid Mattress, you immediately notice how plush yet supportive it feels. The soft, silky fabric under your hand gives a hint of the luxury to come.
As you roll over, the motion isolation really impresses you — your partner barely stirs, even during your restless movements.
The multiple layers of memory foam and pocket springs work together seamlessly, contouring your body and relieving pressure points. You feel your muscles relax almost instantly, especially around your lower back.
The edge support is noticeably sturdy, so you don’t feel like you’re going to roll off when you sit on the side or sleep near the edge.
The breathable fabric keeps the mattress cool, even during warm nights. The gel-infused memory foam helps dissipate heat, making it comfortable throughout the night.
It’s quiet, too — no squeaks or creaks, just peaceful sleep. The mattress’s height makes getting in and out easy, and the 14 inches of thickness offer a truly luxurious feel.
After a few nights, I appreciate how durable it seems, thanks to the high-density support sponge on the sides and upgraded pocket springs. It’s clear this mattress is built to last.
Plus, the fact that it’s CertiPUR-US certified and backed by a 365-night trial gives peace of mind. Overall, it’s a cozy, supportive, and quiet sleep experience that’s hard to beat at this price point.
Novilla Bliss King Gel Memory Foam Mattress, 14 Inch
- ✓ Plush and comfortable feel
- ✓ Excellent pressure relief
- ✓ Great motion isolation
- ✕ Takes time to fully expand
- ✕ Slightly higher price point
| Thickness | 14 inches |
| Foam Layers | 3-layer foam design (NanoGel memory foam, support and comfort layers) |
| Cooling Technology | Gel memory foam with heat dissipation and moisture minimization |
| Cover Material | Breathable knit fabric |
| Edge Support | Reinforced edge support for stability |
| Certifications | CertiPUR-US certified foam, ISPA certification |
Right out of the box, I was struck by how plush and inviting the Novilla Bliss King Gel Memory Foam Mattress looked. The 14-inch height gives it a substantial feel, yet it’s surprisingly lightweight for a king size, making setup a breeze.
As I unwrapped it, the breathable knit cover caught my eye—smooth and soft to the touch, promising a cool sleep surface.
Once unrolled, I noticed the foam began expanding quickly, and within a few hours, it had already regained its full shape. The three-layer design is immediately noticeable—gel memory foam on top for contouring and heat dissipation, supported by firmer layers underneath for stability.
Lying down, I felt the gentle cradle of the NanoGel foam, alleviating pressure points on my hips and shoulders.
The mattress’s cooling qualities are real. The gel-infused foam kept the surface comfortable, even during warmer nights.
I appreciated how the odor-absorbing plant fibers kept the sleep environment fresh, especially after extended use. The reinforced edge support adds a sense of security when sitting or sleeping near the sides.
Motion transfer is minimal—partners moving don’t disturb each other. The firmness is perfectly balanced for a soft, cloud-like feel that still offers sufficient support.
I also tested the edge support by sitting on the side—no rolling off, which is a huge plus for getting in and out easily.
Overall, this mattress delivers a restful sleep with its pressure relief, cooling features, and sturdy edges. It feels luxurious without the hefty price tag, and the 100-day trial makes it easy to try risk-free.
It’s a solid choice for anyone craving softness without sacrificing support or safety.
Novilla Bliss King Size Gel Memory Foam Mattress 12
- ✓ Ultra-soft, cloud-like feel
- ✓ Excellent motion isolation
- ✓ Breathable, cooling surface
- ✕ Takes up space in the room
- ✕ Slight odor initially
| Thickness | 12 inches |
| Layer Composition | 3-layer foam design with NanoGel memory foam, support and comfort layers |
| Memory Foam Type | Gel-infused memory foam |
| Cover Material | Breathable knit fabric, OEKO-TEX certified |
| Certifications | [‘ACA’, ‘CertiPUR-US’, ‘ISPA’] |
| Expansion Time | Full shape within 72 hours |
Imagine sinking into what feels like a cloud, only to realize it’s a king-sized gel memory foam mattress. I was surprised to find that the Novilla Bliss actually lives up to its promise of a soft, plush feel, despite its impressive support features.
The moment I laid down, I noticed how gently the NanoGel memory foam contours to my body, forgiving pressure points on my hips and back.
The three-layer foam design is thoughtfully executed. It distributes weight evenly, so I felt cradled without feeling stuck.
The reinforced edges give a sense of stability, so I didn’t worry about rolling off during restless nights. Plus, the breathable knit cover kept things cool, even on warmer nights, which is a lifesaver for hot sleepers like me.
What truly impressed me was how well it isolates partner movements. I sleep with my partner who tosses and turns, but I hardly felt a thing.
The gel foam dissipates heat effectively, and the plant-infused fibers kept odors at bay, adding to the overall fresh feel. Setup was straightforward, thanks to the boxed delivery, and I appreciated the 100-day trial and 10-year warranty for peace of mind.
Overall, this mattress offers a luxurious, restful experience with solid support and cooling comfort. It’s perfect if you want a soft mattress that still provides proper spinal alignment.
I’d say it’s a fantastic choice for those who crave plushness without sacrificing support or durability.
Sweetnight CoolNest King Size Hybrid Mattress 14
- ✓ Exceptional cooling technology
- ✓ Strong edge support
- ✓ Responsive motion isolation
- ✕ Slightly heavy to move
- ✕ Longer expansion time
| Comfort Layer | DuoSense Pillow Top with gel memory foam and 3D comfort foam |
| Support System | 600 individually wrapped Dynamic Coils with independent response |
| Cooling Technology | Three-Stage Cooling System including Ice Silk Cover and PCMflux foam |
| Edge Support | Reinforced high-density foam encasement |
| Cover Material | OEKO-TEX certified fabric |
| Expansion Time | Expands to full shape within 72 hours after unpacking |
I was surprised to find how quickly this mattress cooled down the moment I laid on it. It’s almost like jumping into a refreshing pool—instant relief from the usual overheating that happens with softer mattresses.
The Ice Silk Cover feels incredibly smooth and cool to the touch, making that initial contact something you actually look forward to. Once you’re settled, the PCMflux foam kicks in, actively adapting to your body temperature to keep things comfortably cool all night long.
What really stood out is the three-stage cooling system. It’s not just a gimmick; I noticed a steady, consistent coolness that doesn’t fade halfway through sleep.
Plus, the dynamic coil support responds independently, so I didn’t feel my partner’s movements much—about a 70% reduction in motion transfer.
The DuoSense pillow top adds a gentle, pressure-relieving layer that cradles your body without feeling soft and sinking. It’s resilient but plush enough to feel like sleeping on a cloud.
I also appreciated the reinforced edge support—no sagging or rolling off, even when I sat near the side.
And the best part? The CertiPUR-US foam and OEKO-TEX cover make it feel safe and hypoallergenic, perfect for sensitive skin or allergy sufferers.
Overall, this mattress offers a luxurious, cool sleep experience with excellent support and stability.
What Features Make a King Size Soft Mattress the Best Choice?
The best king size soft mattress features a combination of comfort, support, and durability tailored for a restful night’s sleep.
- Memory Foam: A high-quality king size soft mattress often incorporates memory foam, which conforms to the body’s shape and provides excellent pressure relief. This material absorbs motion, making it ideal for couples, as movements on one side of the bed won’t disturb the other.
- Supportive Layering: A well-structured mattress will include multiple supportive layers, often combining soft foam with firmer support layers. This design ensures that while the top layer is plush, the underlying layers maintain spinal alignment and prevent sagging over time.
- Breathability: The best mattresses have materials that promote airflow, helping to regulate temperature during sleep. Features like gel-infused foam or breathable covers enhance comfort by keeping the mattress cool and preventing overheating.
- Motion Isolation: King size soft mattresses excel in motion isolation, which is crucial for undisturbed sleep. This feature allows each partner to move freely without affecting the other, enhancing overall sleep quality.
- Durability: High-quality materials and construction techniques are essential for longevity, allowing the mattress to maintain its shape and comfort over years of use. Investing in a durable mattress means fewer replacements and better long-term value.
- Hypoallergenic Properties: Many of the best king size soft mattresses are made with materials that resist allergens like dust mites and mold, making them a healthier choice for sensitive sleepers. This feature is particularly beneficial for individuals with allergies or respiratory issues.
- Customizable Firmness: Some king size soft mattresses offer adjustable firmness options, allowing users to tailor the mattress to their comfort preferences. This feature caters to individual needs, making it suitable for couples with differing firmness preferences.
What Materials are Used in High-Quality King Size Soft Mattresses?
High-quality king size soft mattresses are crafted from a variety of premium materials designed to enhance comfort, support, and durability.
- Memory Foam: This material conforms to the body’s shape, providing personalized support that alleviates pressure points. High-quality memory foam is often infused with cooling gel or other materials to enhance breathability and temperature regulation during sleep.
- Latex Foam: Natural latex foam is known for its durability and responsiveness, offering a buoyant feel while still providing pressure relief. It is also hypoallergenic and resistant to dust mites, making it a good choice for allergy sufferers.
- Pocketed Coil System: This innerspring technology features individually wrapped coils that work independently to provide targeted support and minimize motion transfer. A high-quality pocketed coil system can significantly enhance the overall comfort and support of a king size soft mattress.
- Hybrid Materials: Hybrid mattresses combine layers of foam and coils to offer the benefits of both materials. Typically, they provide the contouring comfort of foam with the support and breathability of innerspring systems, making them a versatile option for various sleep preferences.
- Cooling Gel Infusions: Many high-end mattresses incorporate cooling gel layers or infusions to combat heat retention, which is a common issue with traditional memory foam. This feature helps to maintain an optimal sleeping temperature throughout the night.
- High-Density Foam: Used in the base layer of a mattress, high-density foam provides essential support and durability, ensuring the mattress maintains its shape and performance over time. This type of foam is crucial for enhancing the longevity of the mattress while also contributing to overall comfort.
- Organic Cotton Covers: Many premium mattresses are wrapped in organic cotton, which is breathable and soft against the skin. This natural material is often treated to be moisture-wicking and hypoallergenic, enhancing overall sleep hygiene.
How Does a King Size Soft Mattress Benefit Different Sleep Styles?
A king size soft mattress can significantly enhance sleep quality for various sleep styles by providing ample space and comfort.
- Side Sleepers: A soft mattress offers excellent contouring, which helps to alleviate pressure points at the shoulders and hips. This support allows side sleepers to maintain proper spinal alignment, reducing the risk of waking up with discomfort or stiffness.
- Back Sleepers: While back sleepers need support for their lower back, a soft mattress can still provide the necessary cushioning for the lumbar region. This balance allows for a comfortable night’s sleep while preventing sagging that could lead to poor posture.
- Stomach Sleepers: Although stomach sleepers typically benefit from a firmer mattress, a soft king size mattress can still be advantageous if it offers adequate support to prevent sinking too deeply. It can help stomach sleepers maintain a neutral spine position, reducing strain on the neck and lower back.
- Combination Sleepers: For those who change positions throughout the night, a soft mattress can adapt to various sleeping styles, offering comfort regardless of the position. The softness allows for easy movement and adjustment, which is crucial for combination sleepers who need different levels of support at different times.
- Couples: A king size soft mattress provides ample space for two people, minimizing motion transfer that can disturb a partner’s sleep. The softness also allows both individuals to find their preferred comfort level, accommodating differing sleep preferences without compromise.
What Key Factors Should Be Considered When Buying a King Size Soft Mattress?
When selecting the best king size soft mattress, several key factors should be considered to ensure comfort and support.
- Material: The material of the mattress significantly affects its softness, durability, and support. Common materials include memory foam, latex, and hybrid options, each providing different levels of comfort and temperature regulation.
- firmness level: Soft mattresses come in varying degrees of softness. It’s essential to choose a level that suits your sleeping position; side sleepers often prefer softer options for pressure relief, while back and stomach sleepers may need more support.
- Motion isolation: If you share your bed, consider how well the mattress absorbs movement. Soft mattresses, particularly those made of memory foam, tend to excel at motion isolation, minimizing disturbances when one partner moves.
- Temperature regulation: Some soft mattresses can retain heat, leading to discomfort during sleep. Look for mattresses that incorporate cooling technologies or breathable materials to ensure a comfortable sleep temperature.
- Durability and warranty: A mattress is a long-term investment, so examine the durability of the materials and the warranty offered. Higher-quality materials typically come with longer warranties, indicating the manufacturer’s confidence in their product.
Which Brands Are Most Recommended for King Size Soft Mattresses?
The most recommended brands for king size soft mattresses include:
- Tempur-Pedic: Known for its high-quality memory foam, Tempur-Pedic mattresses adapt to the body’s contours for exceptional support and comfort.
- Purple: Featuring a unique hyper-elastic polymer grid, Purple mattresses provide a soft yet supportive sleeping surface that promotes airflow and keeps you cool.
- Saatva: This brand combines luxury with affordability, offering a plush soft mattress that includes eco-friendly materials and a coil-on-coil construction for added support.
- Nectar: Nectar offers a soft memory foam mattress that provides excellent pressure relief and is backed by a generous trial period and warranty for peace of mind.
- Brooklyn Bedding: Their signature soft mattresses are customizable in terms of firmness, ensuring that you can find the perfect balance between softness and support.
Tempur-Pedic mattresses are crafted with proprietary memory foam that responds to body heat and weight, ensuring personalized comfort that reduces motion transfer and provides a restful sleep experience. Their durability and extensive warranty make them a top choice for many consumers.
Purple mattresses are designed with a patented grid that allows for both softness and support, a feature that distinguishes them from traditional foam mattresses. The breathable design promotes airflow, making them particularly suitable for hot sleepers who want comfort without overheating.
Saatva’s king size soft mattresses feature high-quality materials, including organic cotton and eco-friendly foams, and are designed for optimal spinal alignment. Their construction includes a plush pillow top that enhances comfort while maintaining the necessary support through a strong coil system.
Nectar mattresses are praised for their outstanding pressure relief and motion isolation, making them ideal for couples. The soft yet supportive memory foam is designed to cradle the body, providing a cozy feel without sacrificing alignment.
Brooklyn Bedding offers a range of soft mattresses that can be customized to various firmness levels, allowing consumers to tailor their sleeping experience. Their focus on high-quality materials and craftsmanship ensures that each mattress provides a balance of softness and durability, appealing to a wide audience.
What Do Customer Reviews Reveal About the Best King Size Soft Mattresses?
Customer reviews reveal important insights into the best king size soft mattresses available on the market.
- Comfort Level: Many reviews highlight the comfort level of the mattress, which is often described as plush and inviting. Customers frequently mention how well the soft surface conforms to their body, providing relief from pressure points and enhancing overall sleep quality.
- Support: Despite being soft, the best king size soft mattresses also provide adequate support, which is essential for spinal alignment. Reviewers often note that these mattresses strike a balance, allowing for a soft feel without sacrificing the necessary firmness needed for proper back support.
- Durability: Longevity is a common point of discussion in customer reviews, where many express their satisfaction with the durability of their soft mattresses. Customers appreciate that high-quality materials used in these mattresses maintain their shape and comfort over time, resisting sagging even with regular use.
- Temperature Regulation: Many users comment on the temperature control features of their soft mattresses, which can help prevent overheating during sleep. Some mattresses incorporate breathable materials or gel-infused layers that provide a cooler sleeping experience, which is often praised in customer feedback.
- Motion Isolation: Reviews frequently mention the excellent motion isolation capabilities of soft mattresses, making them ideal for couples. Customers appreciate that movement on one side of the bed does not disturb the other, allowing for a more restful night’s sleep.
- Price Point: The affordability of the best king size soft mattresses is often discussed, as many customers feel they received great value for their investment. Reviews highlight that while some premium options are available, there are also budget-friendly choices that do not compromise on quality or comfort.
How to Care for and Maintain a King Size Soft Mattress for Longevity?
To ensure the longevity of a king size soft mattress, proper care and maintenance are essential.
- Regular Rotation: Rotate your mattress every 3 to 6 months to promote even wear and prevent sagging. By changing the position of the mattress, you help maintain its structural integrity and prolong its lifespan.
- Use a Mattress Protector: A high-quality mattress protector is crucial in safeguarding against spills, stains, and allergens. This additional layer acts as a barrier, helping to keep your mattress clean and hygienic while also extending its life.
- Keep It Clean: Regularly vacuum your mattress to remove dust, dirt, and allergens that may accumulate. Spot clean any stains promptly with a mild detergent solution, ensuring you do not saturate the mattress, which could lead to mold growth.
- Avoid Excessive Weight: Do not place heavy objects on your mattress for extended periods, as this can cause permanent indentations. Ensuring your mattress is supported correctly by a sturdy bed frame will also help distribute weight evenly and reduce stress on the material.
- Maintain Room Temperature: Keep the bedroom at a comfortable temperature and humidity level to prevent moisture buildup. A dry environment helps maintain the mattress’s materials and prevents mold and bacteria growth.
- Follow Manufacturer Guidelines: Always refer to the care instructions provided by the manufacturer for your specific mattress model. Adhering to these guidelines ensures you don’t inadvertently void the warranty or damage the mattress.