Innerspring Mattress in a Box King Mattresses

103 Items

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$Alwyn Home Cool 8“ /10”/12” Firm Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified$

5 Sizes

Alwyn Home Cool 8“ /10”/12” Firm Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified

By Alwyn Home

10", King

Rated 4.8 out of 5 stars.79 total votes

$489.99

FREE Delivery

Comfort Level: Firm
Cooling Technology: Yes
Mattress in a Box: Yes

If you have a mattress on your list that offers both personalized support and luxurious comfort, then this top-of-the-line individual pocket spring hybrid mattress is definitely for you. The upgraded pocket springs give the mattress a firmer comfort level, making it a supportive option for those who prefer a stable sleep surface. It also features a gel memory foam layer that conforms to your body's curves, providing pressure relief and a cooler sleep. Our mattresses feature perfect motion isolation, supportive design and temperature regulation to ensure you experience the best quality of sleep.

What an awesome mattress! I will never again buy those overpriced mattresses. This one is amazing, having just the right firmness. Love it and highly recommend!. Erianna. Cranford, NJ. Fri May 23 2025

5 Sizes

Wayfair Sleep 8" Medium Innerspring Mattress

By Wayfair Sleep

King

Rated 4.5 out of 5 stars.4277 total votes

$389.99

FREE Delivery

Comfort Level: Medium
Product Type: Innerspring
Mattress Thickness - Top to Bottom: 8''

This 8" medium innerspring mattress lays the foundation for a great night's sleep. It's crafted from polyester in a white hue with a wide variety of sizes to choose from. Its rectangular silhouette features a tight top that provides proper edge support, making sure your sheets stay in place. The three layers of memory foam on the top contours to the shape of your body. Underneath, an innerspring coil system alleviates pressure points and prevents tossing and turning. This mattress can hold up to 500 lbs.

Surprisingly good mattress for the price! Instructions NOT so good!. Joseph. Glendale, AZ. Sun Jul 06 2025

6 Sizes

10/12Hybrid Mattress in a Box – Cooling Gel-Infused Memory Foam & Pocket Coil Hybrid, Pressure Relief, Motion Isolation, Fibreglass-Free, CertiPUR-US® Certified

By Alwyn Home

10", King

Rated 4.4 out of 5 stars.37 total votes

$799.99

FREE Delivery

Comfort Level: Medium
Product Type: Innerspring
Mattress in a Box: Yes

Luxury Memory Foam Hybrid Mattress in a Box,Individually Pocketed Springs for Isolate Motion, Pressure Relief, CertiPUR-US Certified, Fibreglass Free & Support

So comfortable. My husband loves it after working a long shift. Anonymous. South Carolina. Tue Feb 11 2025

Sale

5 Sizes

Wayfair Sleep 10" Firm Innerspring Mattress

By Wayfair Sleep

King

Rated 4.6 out of 5 stars.1267 total votes

$629.99 was~~$699.99~~

FREE Delivery

Comfort Level: Firm
Product Type: Memory Foam, Innerspring
Mattress Thickness - Top to Bottom: 10''

This 10" thick mattress has a tight top and low motion transfer, so it's designed to let you stay asleep, even if your partner tosses and turns. Three layers of memory foam and innersprings have a high firmness with a breathable, moisture-wicking design that helps keep you cool while sleeping. It also features edge support to ensure you can sleep on any spot without the mattress sagging, and it includes a polyester cover to retain mattress freshness. Compatible with an adjustable base (frame and box spring sold separately), it arrives at your doorstep packed in a box and ready for you to set up.

This is mattress number 4 that I’ve bought from Wayfair. So comfortable. Perfect for my son’s first apartment. Jessica. US. Sun Jun 22 2025

$8" /10"/12" Plush Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified$

5 Sizes

8" /10"/12" Plush Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified

By Alwyn Home

King, 10"

Rated 4.5 out of 5 stars.127 total votes

$425.99

FREE Delivery

Comfort Level: Plush
Product Type: Innerspring
Mattress in a Box: Yes

If you have a mattress on your list that offers both personalized support and luxurious comfort, then this top-of-the-line individual pocket spring hybrid mattress is definitely for you. Featuring high-density foam and innovative individual pocketed springs, this mattress is the favourite you've been dreaming of.CertiPUR-US certified foam ensures a safe and healthy night's sleep. Through the wonders of individually pocketed springs, this mattress precisely conforms to every curve of your body, providing you with customized spinal alignment and uninterrupted rest. The high-quality foam conforms to your body shape to provide you with customized comfort. The mattress is compressed in a box that can be cleverly transported to your doorstep, simply open the mattress and allow it to return to its original shape within 48 - 72 hours and you'll be ready for many cool and cozy nights.

Great purchase. Very soft and comfortable.. Becky. PA. Wed Mar 26 2025

5 Sizes

Wayfair Sleep 12" Firm Innerspring Mattress

By Wayfair Sleep

King

Rated 4.5 out of 5 stars.1661 total votes

$759.99 was~~$839.99~~

FREE Delivery

Comfort Level: Firm
Product Type: Memory Foam, Innerspring
Mattress Thickness - Top to Bottom: 12''

This 12" thick mattress has a tight top and low-motion transfer, so it's designed to let you stay asleep, even if your partner tosses and turns. Three layers of memory foam and innersprings have a high firmness with a breathable, moisture-wicking design that helps keep you cool. It also features edge support to ensure you can sleep on any spot without the mattress sagging, and it includes a polyester cover to retain mattress freshness. Compatible with an adjustable base (frame and box spring sold separately), it arrives at your doorstep packed in a box, ready for you to set up.

The mattress is nice and firm my husband loves our new Mattress. Melanie. Sun Jun 22 2025

Innerspring Mattress in a Box King Mattresses

103 Items

Recommended

Sort By

$Alwyn Home Cool 8“ /10”/12” Firm Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified$

5 Sizes

Alwyn Home Cool 8“ /10”/12” Firm Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified

By Alwyn Home

10", King

Rated 4.8 out of 5 stars.79 total votes

$489.99

FREE Delivery

Comfort Level: Firm
Cooling Technology: Yes
Mattress in a Box: Yes

If you have a mattress on your list that offers both personalized support and luxurious comfort, then this top-of-the-line individual pocket spring hybrid mattress is definitely for you. The upgraded pocket springs give the mattress a firmer comfort level, making it a supportive option for those who prefer a stable sleep surface. It also features a gel memory foam layer that conforms to your body's curves, providing pressure relief and a cooler sleep. Our mattresses feature perfect motion isolation, supportive design and temperature regulation to ensure you experience the best quality of sleep.

5 Sizes

Wayfair Sleep 8" Medium Innerspring Mattress

By Wayfair Sleep

King

Rated 4.5 out of 5 stars.4277 total votes

$389.99

FREE Delivery

Comfort Level: Medium
Product Type: Innerspring
Mattress Thickness - Top to Bottom: 8''

Surprisingly good mattress for the price! Instructions NOT so good!. Joseph. Glendale, AZ. Sun Jul 06 2025

6 Sizes

10/12Hybrid Mattress in a Box – Cooling Gel-Infused Memory Foam & Pocket Coil Hybrid, Pressure Relief, Motion Isolation, Fibreglass-Free, CertiPUR-US® Certified

By Alwyn Home

10", King

Rated 4.4 out of 5 stars.37 total votes

$799.99

FREE Delivery

Comfort Level: Medium
Product Type: Innerspring
Mattress in a Box: Yes

Luxury Memory Foam Hybrid Mattress in a Box,Individually Pocketed Springs for Isolate Motion, Pressure Relief, CertiPUR-US Certified, Fibreglass Free & Support

So comfortable. My husband loves it after working a long shift. Anonymous. South Carolina. Tue Feb 11 2025

Sale

5 Sizes

Wayfair Sleep 10" Firm Innerspring Mattress

By Wayfair Sleep

King

Rated 4.6 out of 5 stars.1267 total votes

$629.99 was~~$699.99~~

FREE Delivery

Comfort Level: Firm
Product Type: Memory Foam, Innerspring
Mattress Thickness - Top to Bottom: 10''

This is mattress number 4 that I’ve bought from Wayfair. So comfortable. Perfect for my son’s first apartment. Jessica. US. Sun Jun 22 2025

$8" /10"/12" Plush Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified$

5 Sizes

8" /10"/12" Plush Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified

By Alwyn Home

King, 10"

Rated 4.5 out of 5 stars.127 total votes

$425.99

FREE Delivery

Comfort Level: Plush
Product Type: Innerspring
Mattress in a Box: Yes

If you have a mattress on your list that offers both personalized support and luxurious comfort, then this top-of-the-line individual pocket spring hybrid mattress is definitely for you. Featuring high-density foam and innovative individual pocketed springs, this mattress is the favourite you've been dreaming of.CertiPUR-US certified foam ensures a safe and healthy night's sleep. Through the wonders of individually pocketed springs, this mattress precisely conforms to every curve of your body, providing you with customized spinal alignment and uninterrupted rest. The high-quality foam conforms to your body shape to provide you with customized comfort. The mattress is compressed in a box that can be cleverly transported to your doorstep, simply open the mattress and allow it to return to its original shape within 48 - 72 hours and you'll be ready for many cool and cozy nights.

Great purchase. Very soft and comfortable.. Becky. PA. Wed Mar 26 2025

5 Sizes

Wayfair Sleep 12" Firm Innerspring Mattress

By Wayfair Sleep

King

Rated 4.5 out of 5 stars.1661 total votes

$759.99 was~~$839.99~~

FREE Delivery

Comfort Level: Firm
Product Type: Memory Foam, Innerspring
Mattress Thickness - Top to Bottom: 12''

The mattress is nice and firm my husband loves our new Mattress. Melanie. Sun Jun 22 2025

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Innerspring Mattress in a Box King Mattresses

Alwyn Home Cool 8“ /10”/12” Firm Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified

Wayfair Sleep 8" Medium Innerspring Mattress

10/12Hybrid Mattress in a Box – Cooling Gel-Infused Memory Foam & Pocket Coil Hybrid, Pressure Relief, Motion Isolation, Fibreglass-Free, CertiPUR-US® Certified

Wayfair Sleep 10" Firm Innerspring Mattress

8" /10"/12" Plush Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified

Wayfair Sleep 12" Firm Innerspring Mattress

Filter By Features

Mattress Features

Material Highlights

Filter By Thickness

Filter By Premium Delivery Services

Filter By Choose Your Comfort Level

Filter By Price Per Item

Filter By Customer Rating

Filter By Pieces Included

Filter By Availability

Filter By Sleeper Position

Filter By Mattress Top Type

Filter By Mattress Type

Innerspring Mattress in a Box King Mattresses

Alwyn Home Cool 8“ /10”/12” Firm Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified

Wayfair Sleep 8" Medium Innerspring Mattress

10/12Hybrid Mattress in a Box – Cooling Gel-Infused Memory Foam & Pocket Coil Hybrid, Pressure Relief, Motion Isolation, Fibreglass-Free, CertiPUR-US® Certified

Wayfair Sleep 10" Firm Innerspring Mattress

8" /10"/12" Plush Gel Memory Foam Pocket Spring Hybrid Mattress – 10-Year Warranty, CertiPUR-US, OEKO-TEX, SGS Certified

Wayfair Sleep 12" Firm Innerspring Mattress