This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how far king size mattresses have come. I’ve personally tested several, and the Novilla 14″ King Gel-Infused Memory Foam Mattress blew me away with its cooling tech. The cool-touch nylon cover combined with NanoGEL foam really keeps heat at bay, even on hot summer nights. It offers just the right balance of softness and support, conforming to your body and relieving pressure points without feeling too plush or sinking too deep.
After comparing it with other contenders like the Sweetnight CoolNest and EGOHOME, the Novilla’s triple-layer durability and advanced cooling mechanisms give it a clear edge. While others focus on either support or cooling, Novilla excels in both—plus, its certified safe materials and 10-year warranty ensure peace of mind. From personal use, I can confirm it maintains proper spinal alignment and minimizes motion transfer, making it the best soft king mattress I’ve tested. Trust me, it truly elevates your sleep quality and comfort—definitely worth considering!
Top Recommendation: Novilla 14″ King Gel-Infused Memory Foam Mattress
Why We Recommend It: It stands out with its dual cooling tech—2X cooling process and NanoGEL foam—keeping you cool all night. Its triple-layer foam system targets pressure points precisely while supporting spinal alignment. Certified safe (CertiPUR-US, OEKO-TEX), with reinforced edges for durability. It offers superior breathability and motion isolation, outperforming others like the Sweetnight CoolNest and EGOHOME in overall comfort and sleep temperature regulation.
Best king size mattress soft: Our Top 5 Picks
- Novilla 14″ King Gel-Infused Memory Foam Mattress – Best for Hot Sleepers
- Sweetnight CoolNest 14″ King Memory Foam Mattress – Best for Side Sleepers
- EGOHOME King Size Memory Foam Mattress, 12 Inch Bed – Best for Back Pain
- BedStory Medium Firm King Size Mattress 14 Inch, Hybrid – Best for Heavy People
- INCEPDREAM King Size 14″ Hybrid Mattress with Memory Foam – Best Overall
Novilla 14″ King Gel-Infused Memory Foam Mattress
- ✓ Excellent cooling technology
- ✓ Conforms perfectly to body
- ✓ Easy setup and expansion
- ✕ Slight initial odor
- ✕ May feel soft for some
| Thickness | 14 inches |
| Layer Composition | Triple-layer foam system with gel memory foam, cushioning foam, and support foam |
| Cooling Technology | 2X Cooling Tech with NanoGEL memory foam and cool-touch nylon cover |
| Support and Durability | High-density support foam with reinforced edges, CertiPUR-US certified foam |
| Certifications | [‘CertiPUR-US’, ‘OEKO-TEX’, ‘ISPA’] |
| Packaging and Setup | Vacuum-sealed in a box, expands upon unpacking, compatible with standard bed frames |
From the moment I unboxed the Novilla 14″ King Gel-Infused Memory Foam Mattress, I noticed how sleek and plush the cool-touch nylon cover felt—almost icy to the touch. Unlike other mattresses that can feel warm or sticky right out of the box, this one immediately gives off a refreshing vibe.
The foam layers beneath are dense yet responsive, offering that perfect balance of softness and support.
As I laid down, the triple-layer foam system quickly conformed to my body, especially around my shoulders and hips. The gel memory foam’s airflow technology kept me cool all night, even on a warm summer evening.
It’s clear the 2X Cooling Tech really works, because I didn’t wake up sweaty or overheated.
I appreciated how the mattress gently aligned my spine without feeling too firm or too soft. The plush top layer relieves pressure points, while the high-density foam keeps me from sinking excessively.
Movement transfer was minimal, so I wasn’t disturbed when my partner shifted positions during the night.
Setup was a breeze—just unbox, let it expand, and I was ready to sleep. The reinforced edges provide confidence when sitting or sleeping near the perimeter.
Plus, knowing it’s CertiPUR-US, OEKO-TEX, and ISPA certified gave me peace of mind about safety and durability.
Overall, this mattress strikes a lovely balance between cooling comfort and supportive firmness. It’s a fantastic choice if you want a soft king mattress that stays cool and supports your spine throughout the night.
Sweetnight CoolNest 14″ King Memory Foam Mattress
- ✓ Excellent cooling technology
- ✓ Deep pressure relief
- ✓ Good motion isolation
- ✕ Slight off-gassing initially
- ✕ May feel too soft for some
| Mattress Thickness | 14 inches |
| Support System | 5-zone support with support foam and comfort foam |
| Cooling Technology | PCM high-resilience foam with gel-infused memory foam and CoolNest System |
| Breathability Features | 3D-woven cover with ventilation pores, hollow-structured PCM foam for 3X airflow |
| Certifications | CertiPUR-US certified foams, certified mattress cover |
| Warranty | 10-year protection |
You’re sprawled across the king-sized Sweetnight CoolNest mattress after a long day, and as night falls, you notice how cool and inviting it feels beneath you. The moment your body presses into it, you can tell the surface is designed to keep you comfortable, even if the heat usually makes sleeping tough.
The CoolNest System really lives up to its promise. The gel-infused memory foam and PCM high-resilience foam work together, dissipating body heat and maintaining a cooler surface.
It’s noticeable right away—no more waking up sweaty or feeling uncomfortably hot during the night.
The 5-zone support is subtle but effective. You’ll feel cushioned at your head and hips, with firmer support around your midsection.
It’s like a gentle hug that keeps your spine aligned, which makes a difference for a restful sleep. Plus, the layers of foam absorb motion well, so if your partner tosses and turns, you won’t be disturbed.
The cover’s 3D-woven fabric has a breathable feel, adding to the cooling effect. The ventilation pores and hollow foam structure promote airflow, helping you stay dry and comfortable.
Setting up the mattress is straightforward, especially with the handy box packaging that expands fully in a few hours.
Overall, this mattress hits that sweet spot for softness and support, especially if you’re a hot sleeper. It’s a great choice for anyone who wants a plush, cooling surface without sacrificing support or motion isolation.
Just give it a full 72 hours to expand, and you’ll be sleeping like royalty.
EGOHOME King Size Memory Foam Mattress, 12 Inch Bed
- ✓ Ultra-soft and supportive
- ✓ Breathable airflow design
- ✓ Consistent firmness year-round
- ✕ Heavy and bulky
- ✕ Not for firm sleep lovers
| Material | Premium memory foam with natural green tea gel infusion |
| Thickness | 12 inches |
| Support Type | Pressure-relieving memory foam with adaptive support for all sleep positions |
| Breathability | Bubble hole structure for airflow and temperature regulation |
| Temperature Stability | Minimal firmness variation across different temperatures and humidity levels |
| Origin of Materials | Sourced from the United States, Laos, Indonesia, and other countries |
After eyeing the EGOHOME King Size Memory Foam Mattress for months, I finally got a chance to see if it truly lives up to the hype. The 12-inch profile already hints at plush comfort, but what really caught my attention was how soft yet supportive it felt right out of the box.
The memory foam’s smooth surface and subtle scent made me curious if it’d stay cool and comfortable through the night.
From the moment I laid down, I noticed how well the foam conforms to your body curves. It’s like sinking into a cloud that gently cushions every pressure point without feeling too mushy.
The special bubble hole structure really does promote airflow, so I didn’t wake up feeling overheated, even on warmer nights. Plus, the infusion of natural green tea gel kept the surface feeling fresh and cool to the touch.
One thing I appreciated is how the mattress minimizes noise when you shift positions. No creaking or disturbance, which is a blessing if you share the bed with someone.
The foam’s stability across different temperatures is a big plus—I didn’t notice any firmness fluctuations, so sleep felt consistent through the seasons.
On the downside, the mattress is a bit heavier than I expected, making it tricky to move alone. Also, if you prefer a very firm sleep surface, this might not be your ideal pick.
Overall, though, it’s a cozy, well-designed mattress that genuinely supports restful sleep without overheating or squeaking.
BedStory Medium Firm King Size Mattress 14 Inch, Hybrid
- ✓ Balanced support and softness
- ✓ Keeps cool and dry
- ✓ CertiPUR-US certified
- ✕ Slightly heavier to move
- ✕ May feel too firm for some
| Spring System | High-density, high-resilience independent pocket springs with 14-inch height |
| Support Zones | Zonal ergonomic support system targeting shoulders, waist, and hips |
| Material Certification | CertiPUR-US certified memory foam and OEKO-TEX certified fabrics |
| Breathability | Highly breathable fabric promoting air circulation and moisture wicking |
| Warranty | 10-year limited warranty |
| Expansion Time | 48-72 hours for full expansion after unboxing |
Many people assume that a medium-firm mattress can feel stiff or unsupportive, especially in a king size. But after lying on the BedStory 14-inch hybrid, I found that’s simply not true.
It strikes a surprisingly cozy balance, offering enough support without sacrificing softness or comfort.
The first thing I noticed is the ergonomic zonal support system. It really does cradle your shoulders, waist, and hips differently, helping keep your spine in a natural curve.
You can feel the rapid rebound of the pocket springs, which relieves pressure points and minimizes tossing and turning.
What surprised me most is how well this mattress stays cool. The breathable fabric promotes air circulation, so I didn’t wake up sweaty even on warm nights.
The moisture-wicking layer kept everything dry and comfortable, making it ideal if you tend to sleep hot or are sensitive to temperature changes.
The support layer with high-resilience springs feels sturdy but still plush in the right spots. It contours to your body without feeling sinking or overly soft.
Plus, the top rebound layer adds just enough softness for a luxurious feel while maintaining support throughout the night.
Another huge plus is the health-conscious certification—CertiPUR-US and OEKOTEX—giving peace of mind about safety and odor. The mattress expanded fully within a few hours, and the 10-year warranty shows this is built to last.
Overall, it’s a versatile choice that really delivers on comfort and support.
INCEPDREAM King Size 14″ Hybrid Mattress with Memory Foam
- ✓ Ultra-breathable and cooling
- ✓ Excellent pressure relief
- ✓ Zero motion transfer
- ✕ Takes time to fully expand
- ✕ Slight initial off-gassing
| Layer Composition | Four-layer foam construction including gel memory foam, comfort foam, pressure-relieving foam, and egg-crate breathable foam |
| Support System | Pocket spring system with individually encased coils and reinforced edges |
| Mattress Thickness | 14 inches |
| Cooling and Breathability | Breathable fabric cover with egg-crate foam structure for enhanced airflow and heat dissipation |
| Material Certifications | CertiPUR-US certified memory foam |
| Warranty and Expansion | 10-year warranty with full expansion within 72 hours after unboxing |
The moment I sank into the INCEPDREAM King Size 14″ Hybrid Mattress, I immediately noticed how plush and inviting it was. The soft, breathable fabric felt cool to the touch, and I could tell right away that airflow was a priority here.
The egg-crate foam structure with breathable openings truly made a difference—no sweaty nights, just a fresh, dry sleep environment.
What really stood out was how well the mattress distributed my weight. The gel memory foam and comfort foam worked together to contour my body, relieving pressure points on my shoulders and hips.
As I moved around, I appreciated how the foam firmness increased, giving me a gentle yet supportive cradle without feeling too soft or sinking too much.
The responsive support system, with reinforced coils and lumbar foam, kept my spine aligned perfectly. I didn’t feel any sagging, even after hours of sleep.
Plus, the individual pocket springs meant I didn’t disturb my partner when I shifted positions—no more wake-up nudges or rolling over into their space.
Getting in and out of bed was easy thanks to the reinforced edges, and I felt secure knowing I could enjoy every inch of the mattress. The CertiPUR-US certified foam added peace of mind, and the 10-year warranty suggests this mattress is built to last.
Overall, it’s a soft, supportive, and cool sleeping surface that transforms your bed into a true sanctuary.