Top 10 Best King Size Memory Foam Mattresses
for September 2022

MOOZ's editors select recommendations independently. Purchases made through our links may earn us commissions.

1
9.9
SCORE
King Size Mattress, Molblly 14 inch Cooling-Gel Memory Foam Mattress in a Box, Breathable Bed Mattress for Cooler Sleep Supportive & Pressure Relief, 76

What We like

{EASY SHIPPING & SET-UP}: Mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door and expand to its full lofty shape inside your home. They fit all frames, such as box spring, floor, slatted base, flat platform or adjustable bed, hospital bed.

2
9.5
SCORE
King Mattress, Avenco King Size Memory Foam Mattress in a Box, 10 Inch Gel-Infused King Bed Mattress with Removable Plush Cover, Ultimate Comfort & Supportive CertiPUR-US & ISPA Certified

by Avenco
What We like

DESIGNED FOR ULTIMATE COMFORT: The unique design allows the king size mattress to be shaped into the natural shape of the sleepers and keeps cool while you sleep, thus achieving a balance between firmness and softness. With no-sink support foams, it can adapt and conform to your body for optimal pressure relief. Recommended for back sleepers, you will gain back support and enjoy a whole night's sleep.

3
9.3
SCORE
King Mattress JINGXUN 9 Inch Premium Gel Multi Layered Memory Foam Bed Mattress in a Box Foam King Size Mattress for Cool Sleep & Pressure Relief,Easy Set-Up

What We like

New design structure: JINGXUN 9 inch Gel Memory Foam Mattress is designed with three layers all-foam system, improving support and heat dissipation, mattress layers include 2 inches memory foam, 3 inches of comfortable layer, and 4 inches of high density base support foam for ultimate comfort. It includes a soft hypoallergenic cover layer that is washable for your convenience.

4
9.1
SCORE
PrimaSleep 11 Inch Dura Gel Deluxe Comfort Memory Foam Mattress, King, White

by Grantec
What We like

2. 5 inch convoluted foam provides better ventilation and disperses body pressure

5
8.7
SCORE
ZINUS 12 Inch Cloud Memory Foam Mattress / Pressure Relieving / Bed-in-a-Box / CertiPUR-US Certified, King

by Zinus
What We like

EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed into one box thats easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours

6
8.6
SCORE
DynastyMattress New! 14.5-Inch CoolBreeze Plush Gel Memory Foam Mattress (King)

by DynastyMattress
What We like

COOLING COMFORT: Dynasty mattresses are constructed with a mix of high-density foam using cool dry gel technology so you can get a luxurious nights sleep. This comfy mattress is comprised of 4 expertly designed layers that provide the comfort you deserve. With 2 Free Gel Memory Foam Pillows Included

7
8.2
SCORE
Novilla Queen Size Mattress, 12 inch Gel Memory Foam Mattress for a Cool Sleep & Pressure Relief, Medium Firm Feel with Motion Isolating, Bliss

by Novilla
What We like

QUEEN MATTRESS IN A BOX & FITS ALL BED FRAMES- Such fun to receive a mattress thats rolled and compressed in a box . Follow the instructions and see how the magic happens. It is easy to set up and fits all kinds of queen bed frames, even on the floor. Mattress is recommended 72 hours for air out and reshape.

8
8.2
SCORE
LUCID 10 Inch Memory Foam Firm Feel – Gel Infusion – Hypoallergenic Bamboo Charcoal – Breathable Cover Bed Mattress Conventional, King

by LUCID
What We like

This mattress features a 10-inch FIRM feel ideal for side, back, and stomach sleepers that crave more support and less sink

9
8.2
SCORE
Best Price Mattress 12 Inch Memory Foam Mattress, Calming Green Tea Infusion, Pressure Relieving, Bed-in-a-Box, CertiPUR-US Certified, King

by Best Price Mattress - DROPSHIP
What We like

For best results, we recommend that you 1) Open the package within 72 hours upon receipt and 2) Allow 48 hours for the mattress to fully expand to its original dimension.

10
8
SCORE
King Size Mattress, Avenco Firm Mattress King Size, 9 Inch Hybrid Mattress King in a Box, Ergonomic Design with 5 Zone Pocket Innerspring and Breathable Foam, Back Pain Relief, 100 Nights Trial

by Avenco
What We like

5-ZONE DESIGN FOR BETTER SUPPORT: This firm mattress king is ergonomically divided into 5 zones to achieve ideal body adaptation and support. It can provide support from head to toe, no matter what direction you are lying in. With well-designed soft shoulder support and firm support for the hips and lower back, the spine can maintain a natural line to achieve optimal sleep comfort.

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