King Mattresses in Shop Mattresses by Size
Sealy Essentials Cool-Touch 11” Hybrid Medium-Feel King Mattress-in-a-Box, Adult $484.00

Sealy Essentials Cool-Touch 11” Hybrid Medium-Feel King Mattress-in-a-Box, Adult
Rollback Sleep Innovations 8" Cooling, Gel Memory Foam Mattress, Full $128.00 Was $199.99

Sleep Innovations 8" Cooling, Gel Memory Foam Mattress, Full
Kizreo Firm King Mattress, Hybrid Mattress with Gel Memory Foam and Individual Pocket Spring, OEKO-TEX and CertiPUR-US Certified, Cool Sleep, Pressure Relief, 14" in a Box $289.88 Was $406.78

Kizreo Firm King Mattress, Hybrid Mattress with Gel Memory Foam and Individual Pocket Spring, OEKO-TEX and CertiPUR-US Certified, Cool Sleep, Pressure Relief, 14" in a Box
MLILY Ego Gray 12 inch King Size Mattress in a Box, Memory Foam Mattress King, Medium $291.59

MLILY Ego Gray 12 inch King Size Mattress in a Box, Memory Foam Mattress King, Medium
Reduced price COMFBOX 14 Inch Queen Hybrid Mattress - Medium Firm - Cooling Gel Memory Foam & Innerspring - Pressure Relief - 365-Night Trial & Forever Warranty $194.35 Was $229.00

COMFBOX 14 Inch Queen Hybrid Mattress - Medium Firm - Cooling Gel Memory Foam & Innerspring - Pressure Relief - 365-Night Trial & Forever Warranty
Avenco Original 12" Innerspring and Gel Memory Foam Hybrid Mattress, Queen Size $185.16
Avenco Original 12" Innerspring and Gel Memory Foam Hybrid Mattress, Queen Size
Vantto Queen Mattress, 12 Inch Queen Size Hybrid Memory Foam Mattress with Upgrade Pocket Springs, Pressure Relief, Breathable Comfort and Durable, CertiPUR-US Certified, Medium Firm $149.99

Vantto Queen Mattress, 12 Inch Queen Size Hybrid Memory Foam Mattress with Upgrade Pocket Springs, Pressure Relief, Breathable Comfort and Durable, CertiPUR-US Certified, Medium Firm
Best seller DEHIJU Queen Size Mattress, 12 Inch Hybrid Memory Foam Queen Mattress in a Box, Pressure Relief, Medium Firm, CertiPUR-US $139.99

DEHIJU Queen Size Mattress, 12 Inch Hybrid Memory Foam Queen Mattress in a Box, Pressure Relief, Medium Firm, CertiPUR-US
Clearance Babo Care Queen Hybrid Mattress, 12 inch Cooling-Gel Memory Foam and Individually Pocket Innerspring Mattress, CertiPUR-US Certified,Queen Size Mattress $159.99 Was $269.99

Babo Care Queen Hybrid Mattress, 12 inch Cooling-Gel Memory Foam and Individually Pocket Innerspring Mattress, CertiPUR-US Certified,Queen Size Mattress
In 100+ people's carts Mronae 12 inch Queen Mattress,Black Cooling Gel Memory Foam & Spring Hybrid Medium Comfort Queen Size Mattress in a Box,Audlt $136.99 Was $219.99
Mronae 12 inch Queen Mattress,Black Cooling Gel Memory Foam & Spring Hybrid Medium Comfort Queen Size Mattress in a Box,Audlt
GREOO King Size Mattress in a Box 14" Hybrid Cooling Gel Memory Foam with Individually Pocket Coils Firm Pressure Relief CertiPUR-US $250.21 Was $499.99

GREOO King Size Mattress in a Box 14" Hybrid Cooling Gel Memory Foam with Individually Pocket Coils Firm Pressure Relief CertiPUR-US
Best seller GREOO King Size Mattress 14" Hybrid Mattress in a Box Gel Memory Foam and Pocket Springs with Motion Isolation, Medium Firm, Pressure Relief, CertiPUR-US® & OEKO-TEX® STANDARD 100 Certified $295.44 Was $499.99

GREOO King Size Mattress 14" Hybrid Mattress in a Box Gel Memory Foam and Pocket Springs with Motion Isolation, Medium Firm, Pressure Relief, CertiPUR-US® & OEKO-TEX® STANDARD 100 Certified
12 Inch Full Mattress in a Box, Memory Foam Hybrid Mattress with Individually Pocketed Springs for Isolate Motion, Pressure Relief, CertiPUR-US Certified $169.99

12 Inch Full Mattress in a Box, Memory Foam Hybrid Mattress with Individually Pocketed Springs for Isolate Motion, Pressure Relief, CertiPUR-US Certified
Clearance Best Choice Products 12in Full Size 3-Layer Medium-Plush Charcoal Gel & Green Tea Infused Memory Foam Mattress $179.99 Was $457.99

Best Choice Products 12in Full Size 3-Layer Medium-Plush Charcoal Gel & Green Tea Infused Memory Foam Mattress
Best seller Queen Mattress, 12 Inch Hybrid Innerspring Mattress for Pressure Relief, Motion Isolation, Medium Firm, CertiPUR-US Certified $158.99

Queen Mattress, 12 Inch Hybrid Innerspring Mattress for Pressure Relief, Motion Isolation, Medium Firm, CertiPUR-US Certified
King Mattress, 12 Inch Hybrid Memory Foam Mattress in a Box with Individual Pocket Spring for Motion Isolation & Silent Sleep, CertiPUR-US, 100 Nights Trial $155.99

King Mattress, 12 Inch Hybrid Memory Foam Mattress in a Box with Individual Pocket Spring for Motion Isolation & Silent Sleep, CertiPUR-US, 100 Nights Trial
MEANDAROL Cooling Airflow 8 inch Pocket Spring Cooling Gel Memory Foam Hybrid Mattress in a Box, Pressure Relief,Adult Exclusive,Twin,Medium,Euro Top $128.00

MEANDAROL Cooling Airflow 8 inch Pocket Spring Cooling Gel Memory Foam Hybrid Mattress in a Box, Pressure Relief,Adult Exclusive,Twin,Medium,Euro Top
Best seller FDW Memory Foam Mattress 8 inch Twin Size Gel Mattress for Cool Sleep Pressure Relief CertiPUR-US Certified/Bed-in-a-Box/Pressure Relieving $99.99 Was $170.96

FDW Memory Foam Mattress 8 inch Twin Size Gel Mattress for Cool Sleep Pressure Relief CertiPUR-US Certified/Bed-in-a-Box/Pressure Relieving
windosier 12 inch Queen Size Mattress,Gel Memory Foam & Pocket Springs Hybrid Medium Queen Size in a Box, Comfort Cooling Technology, CertiPUR-US Certified, Pressure Relief & Motion Isolation $158.99 Was $229.99

windosier 12 inch Queen Size Mattress,Gel Memory Foam & Pocket Springs Hybrid Medium Queen Size in a Box, Comfort Cooling Technology, CertiPUR-US Certified, Pressure Relief & Motion Isolation
JYYA88BB 8-inch Twin-XL Size Gel Memory Foam Mattress, CertiPUR-US Certified, Bed-in-a-Box $91.99 Was $179.99

JYYA88BB 8-inch Twin-XL Size Gel Memory Foam Mattress, CertiPUR-US Certified, Bed-in-a-Box
MLILY Ego Black Firm Cooling Gel Memory Foam Mattress, 14 inch Queen Mattress in a Box $359.99 Was $699.00

MLILY Ego Black Firm Cooling Gel Memory Foam Mattress, 14 inch Queen Mattress in a Box
In 200+ people's carts GUUKIN 12 inch Queen Mattress, Memory Foam & Spring Hybrid Medium Comfort Queen Size in a Box,Adult $145.99 Was $269.99

GUUKIN 12 inch Queen Mattress, Memory Foam & Spring Hybrid Medium Comfort Queen Size in a Box,Adult
Best seller GUUKIN Queen Mattress, 12 Inch Hybrid Gel Memory Foam Mattress with Individually Wrapped Pocket Coils, Medium Firm Support, Pressure Relief, Mattress in a Box

GUUKIN Queen Mattress, 12 Inch Hybrid Gel Memory Foam Mattress with Individually Wrapped Pocket Coils, Medium Firm Support, Pressure Relief, Mattress in a Box
Flash Deal Madevos Full Mattress in a Box, 12 inch Memory Foam individual Pocket Spring Hybrid Mattress - Medium Firm Support with Soft & Breathable $149.99 Was $229.99

Madevos Full Mattress in a Box, 12 inch Memory Foam individual Pocket Spring Hybrid Mattress - Medium Firm Support with Soft & Breathable
Cool Gel Gramercy 14" King Pillow Top Hybrid Mattress $418.00 Was $468.99

Cool Gel Gramercy 14" King Pillow Top Hybrid Mattress
MRH King 12 inch Euro Top Hybrid Mattress in a Box – Memory Foam, Individually Pocket Springs, Medium Firm, Strong Edge Support, White with Black Rim $175.00

MRH King 12 inch Euro Top Hybrid Mattress in a Box – Memory Foam, Individually Pocket Springs, Medium Firm, Strong Edge Support, White with Black Rim
Sailvan Queen Mattress 10 inch,Hybrid Innerspring Mattress Queen Size in a Box,Medium Firm,Gel Memory Foam and Individual Pocket Springs Mattress,CertiPUR-US $129.99 Was $179.99

Sailvan Queen Mattress 10 inch,Hybrid Innerspring Mattress Queen Size in a Box,Medium Firm,Gel Memory Foam and Individual Pocket Springs Mattress,CertiPUR-US
FDW Twin Mattress 6 inch Gel Memory Foam Mattress Queen Mattresses Medium Firm Mattresses,White,Adults $84.98 Was $160.96

FDW Twin Mattress 6 inch Gel Memory Foam Mattress Queen Mattresses Medium Firm Mattresses,White,Adults
Rollback Brooklyn Bedding 10" Twin Plush Memory Foam Mattress in a Box $154.00 Was $258.00

Brooklyn Bedding 10" Twin Plush Memory Foam Mattress in a Box
50+ bought since yesterday MLILY Ego White Twin Mattress in a Box, 6 inch Memory Foam Mattress $82.99 Was $199.00

MLILY Ego White Twin Mattress in a Box, 6 inch Memory Foam Mattress
In 200+ people's carts Zinus Spa Sensations Serenity 8" Memory Foam Mattress, Twin $98.88 Was $174.00

Zinus Spa Sensations Serenity 8" Memory Foam Mattress, Twin
Zinus Support Plus 12" King Euro Top Medium Hybrid Mattress with Comfort Foam and Pocket Springs $318.00

Zinus Support Plus 12" King Euro Top Medium Hybrid Mattress with Comfort Foam and Pocket Springs
EGOHOME Ego Snoova 8 inch Full Size Mattress, Cooling Gel Memory Foam Mattress in a Box, Medium $139.99 Was $320.00

EGOHOME Ego Snoova 8 inch Full Size Mattress, Cooling Gel Memory Foam Mattress in a Box, Medium
SILENCE MANGO 12 inch Twin Sized Hybrid Mattress With Individually Wrapped Pocket Springs Medium Firm Support in a Box High Density Foam for Adult CertiPUR-US $119.99

SILENCE MANGO 12 inch Twin Sized Hybrid Mattress With Individually Wrapped Pocket Springs Medium Firm Support in a Box High Density Foam for Adult CertiPUR-US
CL.HPAHKL Twin Mattress, 5 inch Medium Memory Foam Mattress for Cool Sleep & Pressure Relief $49.99

CL.HPAHKL Twin Mattress, 5 inch Medium Memory Foam Mattress for Cool Sleep & Pressure Relief
Sleepmax Veluna 12" Firm Queen Hybrid Mattress, 365-Night Trial, Euro Top, Adult $249.99 Was $269.99

Sleepmax Veluna 12" Firm Queen Hybrid Mattress, 365-Night Trial, Euro Top, Adult
LayRoad 12 inch Twin Mattress Medium Firm Cooling Memory Foam Mattress, Gray $119.99
LayRoad 12 inch Twin Mattress Medium Firm Cooling Memory Foam Mattress, Gray
Serta 8" Medium Twin Mattress Cooling Gel Memory Foam $154.00 Was $357.83

Serta 8" Medium Twin Mattress Cooling Gel Memory Foam
Queen Hybrid Mattress, Mattress in a Box, 12 inch Pocket Spring, Medium Support, Pressure Relief, CertiPUR-US Certified $129.89

Queen Hybrid Mattress, Mattress in a Box, 12 inch Pocket Spring, Medium Support, Pressure Relief, CertiPUR-US Certified
14 Inch Queen Mattress in a Box Gel Memory Foam Hybrid Mattress with individually Pocket Springs Edge Support for Kids and Adults $196.99

14 Inch Queen Mattress in a Box Gel Memory Foam Hybrid Mattress with individually Pocket Springs Edge Support for Kids and Adults
WARMKISS 10 Inch Twin Mattress with Pillow Top and Mattress-in-a-Box $123.99

WARMKISS 10 Inch Twin Mattress with Pillow Top and Mattress-in-a-Box
King Size Mattress in a Box, 14in King Mattress, Memory Foam Mattress with Cooling Gel, Pocket Springs for Motion Isolation $299.99 Was $1,699.99

King Size Mattress in a Box, 14in King Mattress, Memory Foam Mattress with Cooling Gel, Pocket Springs for Motion Isolation
Full Size Hybrid Mattress, Z-HOM Classic 10 inch Foam Euro Top Mattress, 5-Zone Pocket Spring Support for Back Pain, Medium Firm $129.99 Was $239.99

Full Size Hybrid Mattress, Z-HOM Classic 10 inch Foam Euro Top Mattress, 5-Zone Pocket Spring Support for Back Pain, Medium Firm
12 Inch Full Mattress, LEGAHOME Hybrid Mattress in a Box, Cooling Gel Memory Foam Mattress, Full Size Individual Pocket Spring Knitted Cover Mattress, Medium Firm, White $119.88

12 Inch Full Mattress, LEGAHOME Hybrid Mattress in a Box, Cooling Gel Memory Foam Mattress, Full Size Individual Pocket Spring Knitted Cover Mattress, Medium Firm, White
Imaginarium 10" Hybrid of Memory Foam and Coils Mattress with Antimicrobial Treated Cover, King $248.00

Imaginarium 10" Hybrid of Memory Foam and Coils Mattress with Antimicrobial Treated Cover, King
CL.HPAHKL 5 inch Twin Mattress, Gel Memory Foam Mattress in a Box, Medium Comfort $51.63 Was $84.23

CL.HPAHKL 5 inch Twin Mattress, Gel Memory Foam Mattress in a Box, Medium Comfort
Sleepmax Aura 14" Firm Queen Hybrid Mattress in a Box, 365 Night Trial, Euro Top, Pain Relief, CertiPUR-US $289.99

Sleepmax Aura 14" Firm Queen Hybrid Mattress in a Box, 365 Night Trial, Euro Top, Pain Relief, CertiPUR-US
King Mattress, 14 Inch Gel Memory Foam Hybrid Mattress in a Box, Cooling & Breathable Design, Zoned Pressure Relief, Medium Firm Feel, CertiPUR-US Certified $339.99 Was $1,029.36

King Mattress, 14 Inch Gel Memory Foam Hybrid Mattress in a Box, Cooling & Breathable Design, Zoned Pressure Relief, Medium Firm Feel, CertiPUR-US Certified
Yilicy 14 inch King Mattress, Gel Memory Foam & Spring Hybrid Medium Comfort Mattress in a Box,Audlt $275.70 Was $374.90

Yilicy 14 inch King Mattress, Gel Memory Foam & Spring Hybrid Medium Comfort Mattress in a Box,Audlt
Queen Size Mattress, 14 Inch Memory Foam Hybrid Mattress in a Box, Breathable Bed Mattress for Cooler Sleep Supportive & Pressure Relief, Medium Firm Feel $199.88 Was $1,369.99

Queen Size Mattress, 14 Inch Memory Foam Hybrid Mattress in a Box, Breathable Bed Mattress for Cooler Sleep Supportive & Pressure Relief, Medium Firm Feel
Popular in King Mattresses in Shop Mattresses by Size - Walmart.com
FAQ
How do I choose the right firmness for a king mattress?
Choosing the right firmness depends on your sleeping style and comfort preferences. Firm mattresses offer strong support and are often preferred by back and stomach sleepers. Medium-firm mattresses provide a balance of support and cushioning, suitable for most sleepers. Softer mattresses are ideal if you prefer a plush feel or sleep on your side, as they help relieve pressure points. Consider factors like body weight and any existing aches. Testing different firmness levels in-store or reading detailed product descriptions online can help you find the best fit for restful sleep.
What benefits do hybrid king mattresses offer compared to foam ones?
Hybrid king mattresses combine innerspring coils with memory foam or gel layers, offering a mix of support and comfort.
- Support: The pocketed coils provide strong edge support and better airflow.
- Comfort: Foam layers contour to your body, relieving pressure points.
- Temperature regulation: Hybrid designs often include cooling gels to help reduce heat buildup.
How long can I expect a king mattress to last with regular use?
The lifespan of a king mattress varies based on materials and care but generally ranges from 7 to 10 years.
- Memory foam and hybrid mattresses often last around 8 to 10 years with proper maintenance.
- Innerspring mattresses might have a slightly shorter lifespan, closer to 7 years.
What should I know about mattress-in-a-box options for king beds?
Mattress-in-a-box king mattresses are compressed and rolled for easy shipping and setup.
- Convenience: They arrive at your door ready to unbox and expand, making delivery hassle-free.
- Variety: Available in foam, hybrid, and gel-infused options to suit different comfort needs.
- Expansion time: Most mattresses take 24 to 72 hours to fully expand after unboxing.
- Trial periods: Many come with trial periods allowing you to test comfort at home.
How can I keep my king mattress clean and fresh over time?
Maintaining a clean king mattress helps extend its life and comfort.
- Use a mattress protector: This guards against spills, dust, and allergens.
- Regular cleaning: Vacuum the mattress surface every few months to remove dust and debris.
- Spot cleaning: Treat stains promptly with mild detergent and water, avoiding soaking the mattress.
- Air it out: Occasionally let your mattress breathe by removing bedding and opening windows.



















