10 Best zinus king size mattresses of 2026

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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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2

Zinus

Zinus 14 Inch King Green Tea Memory Foam Mattress, Fiberglass Free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box

19% Off
9.7

Exceptional

Our Rating
3

Zinus
Zinus 12 Inch King Green Tea Memory Foam Mattress [New Version], 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
9.6

Exceptional

Our Rating
4

Zinus
Zinus 10 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 Comfort
Topped with gel memory foam for cooler, comfortable sleep.

Eco-Friendly Packaging
Ships in a compact box to reduce carbon footprint.

Freshness and Safety
Green tea and charcoal infusions for lasting freshness.
Key specs
- construction:CertiPUR-US certified foam
- fill material:Memory foam
- dimensions:80 x 76 x 10 inches
- top style:Gel memory foam
- size:King
9.5

Excellent

Our Rating
5

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

13% Off
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
9.4

Excellent

Our Rating

8.2
worth the money

8.2
quality of sleep

8.2
Comfort
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6

Zinus
Zinus 10 Inch King Green Tea Memory Foam Mattress [New Version], Fiberglass Free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box

20% Off
Main highlights

Zoned Pressure Relief Technology
Patented zoned pressure relief reduces aches and pains throughout the night.

Ideal for Eco-Conscious Sleepers
Ships in a smaller box for a reduced carbon footprint.

Praised Freshness Feature
All-natural green tea and charcoal infusions keep the mattress fresh.
Key specs
- construction:CertiPUR-US certified foam
- fill material:Memory Foam, High Density Foam
- dimensions:80 x 76 x 10 inches
- top style:Zoned pressure relief
- size:King
9.3

Excellent

Our Rating
7

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
9.0

Excellent

Our Rating
8

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

Cooling Comfort and Eco-Friendly
The ZINUS 12 Inch King Cooling Comfort Hybrid Mattress features gel-infused memory foam for temperature regulation and ships in a reduced carbon footprint box.

Ideal for Couples
Individually wrapped coils provide customized spinal alignment and minimize partner disturbances, making it perfect for shared sleeping spaces.

Praised Cooling Feature
Customers love the cooling gel layer that enhances comfort by effectively regulating temperature throughout the night.
8.9

Very Good

Our Rating
9

Zinus

ZINUS 12 Inch Comfort Support Hybrid Mattress [New Version], King, Fiberglass Free, Medium Plush, Motion Isolation, Certified Safe Foams & Fabric, Mattress in A Box
8.8

Very Good

Our Rating
10

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

14% 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
8.6

Very Good

Our Rating

9.7
lasts a long time

8.2
worth the money

8.2
quality of sleep

10 Best zinus king size mattresses of 2026

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 14 Inch King Green Tea Memory Foam Mattress, Fiberglass Free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box

3

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

4

Zinus 10 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

5

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

6

Zinus 10 Inch King Green Tea Memory Foam Mattress [New Version], Fiberglass Free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box

7

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

8

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

9

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

10

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

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