King, Memory Foam, Medium Firm, 13 in and up
Mattresses under $500
14 mattresses under $500 from Novilla, BedStory, Beautyrest and more. Most cost $420 to $489, and half cost less than $450.
Top brands: Novilla (5)
+King size fits two sleepers comfortably
+CertiPUR-US certified foam
+AiryFlow cooling system for cooler sleep
$467.48-15%List: $549.99
as of 11/04/2026 00:28 PST - DetailsProduct details
Novilla 14 Inch King Mattress, King Size Memory Foam Mattress | with AiryFlow Cooling System for Cool Night, Pressure
$467.48as of 11/04/2026 00:28 PST - Details
View on AmazonPros
+King size fits two sleepers comfortably
+CertiPUR-US certified foam
+AiryFlow cooling system for cooler sleep
+Medium firm support for most sleepers
+Thick build at 13 inches or more
Compared with the 14 mattresses on this page+Cooling: only 14 of 28 here have one
How pros and cons are picked (About: Disclaimer)About this product
Memory Foam, Medium Firm, 13 in and up
+King size fits king bed frames
+Memory foam conforms to the body for pressure relief
+CertiPUR certified foam
−Memory foam can trap heat compared with open-coil designs
$419.99
as of 11/04/2026 09:36 PST - DetailsProduct details
Zinus 14 Inch King Green Tea Memory Foam Mattress, Medium Firm Feel | Pressure-Relieving Comfort & Full-Body Support,
$419.99as of 11/04/2026 09:36 PST - Details
View on AmazonPros
+King size fits king bed frames
+Memory foam conforms to the body for pressure relief
+CertiPUR certified foam
+Medium firm feel for a supportive surface
+13 inches or more in thickness
Cons−Memory foam can trap heat compared with open-coil designs
Compared with the 14 mattresses on this page−Cooling not listed: 14 of the 28 here list one
How pros and cons are picked (About: Disclaimer)About this product
King, Memory Foam, Medium Firm, 11 to 12 in
+Full 12 inch thickness for deep support
+CertiPUR-US certified memory foam
+Copper gel infused foam
−Medium firm feel may not suit those wanting softer support
$489.99
as of 11/03/2026 22:48 PST - DetailsProduct details
EGOHOME King 12 inch Memory Foam Mattress for Back Pain Relief Medium Firm | Fiberglass Free, Copper Gel Infused,
$489.99as of 11/03/2026 22:48 PST - Details
View on AmazonPros
+Full 12 inch thickness for deep support
+CertiPUR-US certified memory foam
+Copper gel infused foam
+Fiberglass free construction
+King size fits two sleepers
Cons−Medium firm feel may not suit those wanting softer support
Compared with the 14 mattresses on this page−Cooling not listed: 14 of the 28 here list one
How pros and cons are picked (About: Disclaimer)About this product
King, Memory Foam, 13 in and up
+CertiPUR-certified memory foam
+Ships boxed for easy home delivery
+Cooling design with gel memory foam
−Heavier than thinner king mattresses
$449.99
as of 11/04/2026 00:28 PST - DetailsProduct details
Novilla Bliss Cooling King Size Mattress, 14 Inch Gel King Memory Foam | Mattress in a Box with Cool-Touch Nylon Cover,
$449.99as of 11/04/2026 00:28 PST - Details
View on AmazonPros
+CertiPUR-certified memory foam
+Ships boxed for easy home delivery
+Cooling design with gel memory foam
+13 inch or more thickness for a deep profile
Cons−Heavier than thinner king mattresses
Compared with the 14 mattresses on this page+Cooling: only 14 of 28 here have one
How pros and cons are picked (About: Disclaimer)About this product
Queen, Memory Foam, Medium Firm, 13 in and up
+CertiPUR-certified memory foam
+Medium firm feel for balanced support
+13 inch or more thickness for a deep profile
−Heavier than thinner queen mattresses
$489.99
as of 11/04/2026 00:28 PST - DetailsProduct details
Novilla AiryFlow Graphene Queen Mattress 14 Inch, Cooling Memory Foam | Medium Firm Mattress, Thermal Balance Cover,
$489.99as of 11/04/2026 00:28 PST - Details
View on AmazonPros
+CertiPUR-certified memory foam
+Medium firm feel for balanced support
+13 inch or more thickness for a deep profile
Cons−Heavier than thinner queen mattresses
Compared with the 14 mattresses on this page+Cooling: only 14 of 28 here have one
How pros and cons are picked (About: Disclaimer)About this product
Queen, Memory Foam, Firm, 13 in and up
+Queen size suits couples and most bedrooms
+14-inch profile is thicker than typical
+Copper gel memory foam built for cooling
−Firm feel may not suit side sleepers who want softness
$419.99
as of 11/04/2026 17:42 PST - DetailsProduct details
Dyonery Queen Size Mattress 14 Inch Cooling Copper Gel Memory Foam, Firm | Back Pain Relief, Fiberglass Free, Balanced
$419.99as of 11/04/2026 17:42 PST - Details
View on AmazonPros
+Queen size suits couples and most bedrooms
+14-inch profile is thicker than typical
+Copper gel memory foam built for cooling
+Firm feel for a supportive sleep surface
Cons−Firm feel may not suit side sleepers who want softness
Compared with the 14 mattresses on this page+Cooling: only 14 of 28 here have one
How pros and cons are picked (About: Disclaimer)About this product
Queen, Memory Foam, Medium, 11 to 12 in
+Queen size suits couples and most bedrooms
+CertiPUR-US certified foam
+Copper gel memory foam for pressure relief
−12-inch build is thicker than typical mattresses
$458.77
as of 11/03/2026 22:47 PST - DetailsProduct details
EGOHOME 12 Inch Queen Size Mattress, Copper Gel Memory Foam Mattress | Fiberglass-Free, Medium Feel Mattress in a
$458.77as of 11/03/2026 22:47 PST - Details
View on AmazonPros
+Queen size suits couples and most bedrooms
+CertiPUR-US certified foam
+Copper gel memory foam for pressure relief
+Ships boxed for easy delivery
Cons−12-inch build is thicker than typical mattresses
Compared with the 14 mattresses on this page−Cooling not listed: 14 of the 28 here list one
How pros and cons are picked (About: Disclaimer)About this product
King, Memory Foam, Medium, 11 to 12 in
+Cooling feature listed for warmer sleepers
+CertiPUR-US certified foam
+5-zone ergonomic support design
$449.99
as of 11/04/2026 05:36 PST - DetailsProduct details
Sweetnight CoolNest 12 Inch King Mattress, Cooling Memory Foam Mattress | Cool Night Sleep, 5-Zone Ergo Support for
$449.99as of 11/04/2026 05:36 PST - Details
View on AmazonPros
+Cooling feature listed for warmer sleepers
+CertiPUR-US certified foam
+5-zone ergonomic support design
+12 inch height for a substantial profile
+King size fits larger bedrooms and couples
Compared with the 14 mattresses on this page+Cooling: only 14 of 28 here have one
How pros and cons are picked (About: Disclaimer)About this product
Twin XL, Memory Foam, 13 in and up
+Cooling gel memory foam
+Twin XL size for longer frames
+13 inch or thicker profile
$449.00
as of 11/04/2026 01:36 PST - DetailsProduct details
Roost Sleep Ultimate 14-Inch Twin XL Cooling Gel Memory Foam Mattress
$449.00as of 11/04/2026 01:36 PST - Details
View on AmazonPros
+Cooling gel memory foam
+Twin XL size for longer frames
+13 inch or thicker profile
Compared with the 14 mattresses on this page+Cooling: only 14 of 28 here have one
How pros and cons are picked (About: Disclaimer)About this product
King, Memory Foam, 13 in and up
+Cooling: only 14 of 28 here have one
$429.99
as of 11/04/2026 00:28 PST - DetailsProduct details
Novilla Bliss Mattress King Size, 14 Inch Gel King Memory Foam Mattress | Cooling Comfort & Pressure Relieving, Target
$429.99as of 11/04/2026 00:28 PST - Details
View on AmazonCompared with the 14 mattresses on this pagePros
+Cooling: only 14 of 28 here have one
How pros and cons are picked (About: Disclaimer)About this product
King, Memory Foam, Medium Firm, 11 to 12 in
−Cooling not listed: 14 of the 28 here list one
$449.99
as of 11/04/2026 02:41 PST - DetailsProduct details
Signature Design by Ashley 12 Inch King Memory Foam Mattress in a Box | Medium Firm comfort with a 12-inch profile and
$449.99as of 11/04/2026 02:41 PST - Details
View on AmazonCompared with the 14 mattresses on this pageCons
−Cooling not listed: 14 of the 28 here list one
How pros and cons are picked (About: Disclaimer)About this product
King, Memory Foam, Medium Firm, 11 to 12 in
+Cooling: only 14 of 28 here have one
$445.88
as of 11/04/2026 00:28 PST - DetailsProduct details
Novilla AiryFlow 12 Inch King Mattress, King Size Gel Memory Foam Mattress | for Cool Night & Spinal Alignment,
$445.88as of 11/04/2026 00:28 PST - Details
View on AmazonCompared with the 14 mattresses on this pagePros
+Cooling: only 14 of 28 here have one
How pros and cons are picked (About: Disclaimer)About this product
Twin, Memory Foam, Medium
+Cooling: only 14 of 28 here have one
$445.00
as of 11/04/2026 14:42 PST - DetailsProduct details
Casper Sleep Element Twin Mattress - Medium Feel - Motion Isolation - Breathable, Cooling Memory Foam - 100-Night Trial
$445.00as of 11/04/2026 14:42 PST - Details
View on AmazonCompared with the 14 mattresses on this pagePros
+Cooling: only 14 of 28 here have one
How pros and cons are picked (About: Disclaimer)About this product
Full, Memory Foam, 8 to 10 in
−Cooling not listed: 14 of the 28 here list one
$489.00
as of 11/04/2026 02:36 PST - DetailsProduct details
Sealy Dreamlife 10” Foam Mattress-in-a-Box, Full, SealyComfort Gel Memory Foam, Surface-Guard Technology, 10 Year
$489.00as of 11/04/2026 02:36 PST - Details
View on AmazonCompared with the 14 mattresses on this pageCons
−Cooling not listed: 14 of the 28 here list one
How pros and cons are picked (About: Disclaimer)About this product
Compare specs
| mattress | Size | Type | Firmness | Thickness | Spec score | Price |
|---|---|---|---|---|---|---|
| King | Memory Foam | Medium Firm | 13 in and up | n/a | $467.48 as of 11/04/2026 00:28 PST - Details | |
| Memory Foam | Medium Firm | 13 in and up | n/a | $419.99 as of 11/04/2026 09:36 PST - Details | ||
| King | Memory Foam | Medium Firm | 11 to 12 in | n/a | $489.99 as of 11/03/2026 22:48 PST - Details | |
| King | Memory Foam | 13 in and up | n/a | $449.99 as of 11/04/2026 00:28 PST - Details | ||
| Queen | Memory Foam | Medium Firm | 13 in and up | n/a | $489.99 as of 11/04/2026 00:28 PST - Details | |
| Queen | Memory Foam | Firm | 13 in and up | n/a | $419.99 as of 11/04/2026 17:42 PST - Details | |
| Queen | Memory Foam | Medium | 11 to 12 in | n/a | $458.77 as of 11/03/2026 22:47 PST - Details | |
| King | Memory Foam | Medium | 11 to 12 in | n/a | $449.99 as of 11/04/2026 05:36 PST - Details | |
| Twin XL | Memory Foam | 13 in and up | n/a | $449.00 as of 11/04/2026 01:36 PST - Details | ||
| King | Memory Foam | 13 in and up | n/a | $429.99 as of 11/04/2026 00:28 PST - Details |
Before you buy
- Mattress Types and Thickness, Explained
- Mattress Firmness Labels, Explained
- Mattress Firm Return Policy and Sleep Trial
- Sam's Club Shipping and Delivery, Explained
- Wayfair Financing and Credit Card, Explained
- Wayfair Rewards Membership, Explained
- IKEA Financing and Credit Cards, Explained
- Mattress Firm Price Match, Explained













