10 Best zinus king size mattresses of 2025

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1

ZINUS

ZINUS 14 Inch Cooling Comfort Support Hybrid Mattress [New Version], King, Fiberglass Free, Medium Plush, Cooling Motion Isolation, Certified Safe Foams & Fabric, Mattress in A Box
9.8

Exceptional

Our Rating
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Value for Money

2

ZINUS

ZINUS 12 Inch Cooling Comfort Hybrid Mattress [New Version], King, Fiberglass Free, Medium Firm Feel, Motion Isolation, Certified Safe Foams & Fabric, Mattress in A Box
9.6

Exceptional

Our Rating
3

ZINUS
ZINUS 12 Inch Green Tea Cooling Memory Foam Mattress [New Version], King, Fiberglass Free, Medium Firmness, Cooling Gel Foam, Certified Safe Foams & Fabric, Mattress in A Box
Main highlights

Cooling Gel Memory Foam
Topped with soothing gel memory foam that regulates temperature for a cooler sleep experience.

Ideal for Guest Rooms and RVs
Perfect for guest rooms, campers, and small spaces needing comfort and affordability.

Highly Rated Comfort
Customers frequently praise the mattress's balance of support and comfort.
Key specs
- construction:CertiPUR-US certified
- fill material:Memory Foam
- dimensions:80 x 76 x 12 inches
- top style:Gel Memory Foam
- size:King
9.5

Excellent

Our Rating

8.2
worth the money

8.2
quality of sleep

8.2
Comfort
4

ZINUS
ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], King, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box
Main highlights

Environmentally Friendly Design
Patented zoned pressure relief technology reduces aches and ships in smaller box for reduced carbon footprint.

Ideal for Budget-Conscious Shoppers
Perfect for those seeking a comfortable, affordable mattress with medium-firm support and pressure relief.

Praised for Motion Isolation
Customers frequently highlight the mattress's excellent motion isolation, ideal for undisturbed sleep.
Key specs
- construction:Zoned pressure relief
- fill material:Memory Foam
- dimensions:80 x 76 x 12 inches
- top style:N/A
- size:King
9.4

Excellent

Our Rating
5

ZINUS
ZINUS 12 Inch Green Tea Essential Memory Foam Mattress [New Version], King, Fiberglass Free, Medium Feel, Breathable Airflow Memory Foam, Certified Safe Foams & Fabric, Mattress in A Box
Main highlights

Breathable Comfort and Freshness
The mattress features breathable Airflow memory foam and green tea infusion for a fresh, comfortable sleep.

Ideal for Eco-Conscious Sleepers
Designed for those seeking sustainable comfort with a reduced carbon footprint.

Praised for Pressure Relief
Customers love the pressure-relieving properties that enhance circulation and reduce joint stress.
Key specs
- construction:CertiPUR-US certified foam
- fill material:Memory Foam, High Density Foam
- dimensions:80 x 76 x 12 inches
- top style:Breathable memory foam
- size:King
9.1

Excellent

Our Rating
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6

ZINUS
ZINUS 12 Inch True Support Hybrid Mattress [New Version], King, Fiberglass Free, Medium Feel, Motion Isolation, Certified Safe Foams & Fabric, Mattress in A Box

19% Off
Main highlights

Eco-Friendly Design
This mattress is shipped in a smaller box to reduce carbon footprint, promoting a more sustainable choice.

Ideal for Firm Support
Perfect for those seeking firm support with motion isolation, suitable for various sleeping positions.

Highly Praised Firmness
Customers appreciate its firmness and durability, maintaining shape over time without sagging.
Key specs
- construction:Individually wrapped coils
- fill material:Foam
- dimensions:80 x 76 x 12 inches
- top style:Hybrid
- size:N/A
8.9

Very Good

Our Rating

9.7
lasts a long time

8.2
worth the money

8.2
quality of sleep
7

ZINUS

ZINUS 8 Inch Foam and Spring Hybrid Mattress [New Version], King, Fiberglass Free, Medium Firmness, Durable Support, Certified Safe Foams & Fabric, Mattress in A Box
8.8

Very Good

Our Rating
8

ZINUS
ZINUS 12 Inch Cloud Memory Foam Mattress, Pressure Relieving, Bed-in-a-Box, CertiPUR-US Certified, Off White, King

30% Off
Main highlights

Cloudlike Luxury Feel
The Cloud mattress offers a luxurious, cloudlike feel with cradling memory foam and plush microfiber that hugs your curves for ultimate comfort.

Ideal for Side Sleepers
With its supportive foams, this mattress is perfect for side sleepers and petite to average-weight individuals, ensuring a restful night's sleep.

Exceptional Comfort
Customers consistently praise the mattress for its unparalleled comfort, noting that it significantly improves sleep quality and supports a cool, restful experience.
Key specs
- construction:Foam layers
- fill material:Memory foam
- dimensions:80 x 76 x 12 inches
- top style:Quilted
- size:80 x 76 x 12 inches
8.7

Very Good

Our Rating

9.9
Comfort

9.3
Easy to build

8.9
worth the money
9

KOULABR Z

KOULABR Z King Size Mattress,14 Inch King Mattress in a Box,Superior Hybrid with Gel Memory Foam or Back & Lumbar Support,100 Night Trial,Maximum Support,Pressure Relief,Zoned Support Spring, Firm
8.5

Good

Our Rating
10

Novilla
Novilla King Size Mattress, 12 inch King Mattress in a Box, Gel Memory Foam Mattresses for Cooling Night Sleep, Comfort Support and Pressure Relief, CertiPUR-US Certified
Main highlights

Cooling and Breathability
The Novilla mattress features NanoGel memory foam and wave-cut foam, enhancing airflow by 30% for a cool, comfortable sleep.

Ideal for Couples
With 5 layers of foam, it absorbs noise and vibrations, ensuring undisturbed sleep even with partner movement.

Praised Comfort
Customers frequently highlight the mattress's ability to relieve pressure points and maintain spinal alignment.
Key specs
- construction:5 foam layers
- fill material:Gel Memory Foam
- dimensions:80 x 76 x 12 inches
- top style:Quilted
- size:King
8.3

Good

Our Rating

10 Best zinus king size mattresses of 2025

1

ZINUS 14 Inch Cooling Comfort Support Hybrid Mattress [New Version], King, Fiberglass Free, Medium Plush, Cooling Motion Isolation, Certified Safe Foams & Fabric, Mattress in A Box

How do we rank?

How do we rank?

Analyzing top stores

2

ZINUS 12 Inch Cooling Comfort Hybrid Mattress [New Version], King, Fiberglass Free, Medium Firm Feel, Motion Isolation, Certified Safe Foams & Fabric, Mattress in A Box

3

ZINUS 12 Inch Green Tea Cooling Memory Foam Mattress [New Version], King, Fiberglass Free, Medium Firmness, Cooling Gel Foam, Certified Safe Foams & Fabric, Mattress in A Box

8.2

8.2

8.2

4

ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], King, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box

5

ZINUS 12 Inch Green Tea Essential Memory Foam Mattress [New Version], King, Fiberglass Free, Medium Feel, Breathable Airflow Memory Foam, Certified Safe Foams & Fabric, Mattress in A Box

6

ZINUS 12 Inch True Support Hybrid Mattress [New Version], King, Fiberglass Free, Medium Feel, Motion Isolation, Certified Safe Foams & Fabric, Mattress in A Box

9.7

8.2

8.2

7

ZINUS 8 Inch Foam and Spring Hybrid Mattress [New Version], King, Fiberglass Free, Medium Firmness, Durable Support, Certified Safe Foams & Fabric, Mattress in A Box

8

ZINUS 12 Inch Cloud Memory Foam Mattress, Pressure Relieving, Bed-in-a-Box, CertiPUR-US Certified, Off White, King

9.9

9.3

8.9

9

KOULABR Z King Size Mattress,14 Inch King Mattress in a Box,Superior Hybrid with Gel Memory Foam or Back & Lumbar Support,100 Night Trial,Maximum Support,Pressure Relief,Zoned Support Spring, Firm

10

Novilla King Size Mattress, 12 inch King Mattress in a Box, Gel Memory Foam Mattresses for Cooling Night Sleep, Comfort Support and Pressure Relief, CertiPUR-US Certified

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