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King Memory Foam Mattresses

All mattresses

7 king memory foam mattresses from Novilla, Nectar, Sweetnight and more.

King mattresses whose title says memory foam: foam throughout, no coils.

We do not pick by hand: a mattress is here because its listed specs pass the checks.

All filtersFilters (1)×
Thickness: 8 to 10 in  ×Clear all
BrandOpoiar1
SizeKing7
TypeMemory Foam7
FirmnessMedium Firm2Firm1Medium1Soft1
Thickness11 to 12 in1613 in and up78 to 10 in7
CoolingCooling6
In a boxIn a box4
Clear allShow 7 mattresses
Thickness: 8 to 10 in  ×7 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
Generic

King, Memory Foam, Medium, 8 to 10 in

+King size fits a large bed frame
+CertiPUR-US certified memory foam
+Cooling gel memory foam construction
−Thicker than an 8-inch mattress, which may need deeper sheets
No price recorded yet.
Generic

King, Memory Foam, Medium Firm, 8 to 10 in

+King size for wide sleeping space
+Charcoal infused memory foam
+Cooling feature for a cooler sleep surface
−Under 10 inches thick, thinner than some memory foam options
No price recorded yet.
Generic

King, Memory Foam, Firm, 8 to 10 in

+King size fits two sleepers or a larger frame
+Memory foam conforms to the body
+CertiPUR-US certified foam
−Firm feel may feel hard for side sleepers
No price recorded yet.
Generic

King, Memory Foam, Soft, 8 to 10 in

+CertiPUR-US certified foam for a certified material standard
+Soft feel for sleepers who prefer cushioning
+Boxed for delivery to a doorway
−Soft feel may not suit sleepers who want firm support
No price recorded yet.
Generic

King, Memory Foam, 8 to 10 in

+Cooling gel memory foam listed for a cooler sleep
+Carbon cooling feature listed in the product name
+10 inch thickness is a common comfortable profile
−Narrow king dimensions differ from a standard king mattress
No price recorded yet.
Generic

King, Memory Foam, Medium Firm, 8 to 10 in

+King size fits two sleepers or a larger frame
+Memory foam conforms to the body
+Charcoal infusion with cooling feature
−Memory foam can trap heat unless cooling feature works
No price recorded yet.
Opoiar

King, Memory Foam, 8 to 10 in

+King size fits two sleepers or a larger bed frame
+CertiPUR certified foam for lower chemical emissions
+Green tea gel memory foam with cooling feature
No price recorded yet.

Compare specs

mattressSizeTypeFirmnessThicknessSpec scorePrice
KingMemory FoamMedium8 to 10 inn/aNo current price
KingMemory FoamMedium Firm8 to 10 inn/aNo current price
KingMemory FoamFirm8 to 10 inn/aNo current price
KingMemory FoamSoft8 to 10 inn/aNo current price
KingMemory Foam8 to 10 inn/aNo current price
KingMemory FoamMedium Firm8 to 10 inn/aNo current price
KingMemory Foam8 to 10 inn/aNo current price

Before you buy

Other uses

Bed Frames1,267Office and Gaming Chairs1,848Coffee Tables425Desks876Massage Chairs135Murphy Beds74Sofas939Entryway Mirrors96Bedroom Sets117Nightstands130End Tables73Glass Display Cabinets74

Popular filters

Mattresses in a Box221Cooling Mattresses191Hybrid Mattresses185Medium Firm Mattresses169Queen Mattresses137Memory Foam Mattresses13611- to 12-Inch Mattresses1218- to 10-Inch Mattresses108

Mattresses by use

Queen Hybrid Mattresses77Queen Memory Foam Mattresses45King Hybrid Mattresses57Twin Memory Foam Mattresses46Thick Hybrid Mattresses73

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.