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King Mattresses

All mattresses

3 king mattresses from Novilla, Beautyrest, BedStory and more. Price: $399.99.

All filtersFilters (2)×
Size: King  ×Firmness: Extra Firm  ×Clear all
BrandBedStory1Viscoflex1
SizeKing3
TypeHybrid3
FirmnessMedium Firm33Firm15Soft11Medium10Extra Firm3
Thickness13 in and up211 to 12 in1
In a boxIn a box3
PriceUnder $4002$300 & above2
Clear allShow 3 mattresses
Size: King  ×Firmness: Extra Firm  ×3 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
BedStory

King, Hybrid, Extra Firm, 13 in and up

−Cooling not listed: 54 of the 103 here list one
$399.99-33%List: $599.99
as of 11/04/2026 12:41 PST - Details
Viscoflex

King, Hybrid, Extra Firm, 11 to 12 in

−Cooling not listed: 54 of the 103 here list one
$399.99
as of 11/04/2026 18:41 PST - Details
Generic

King, Hybrid, Extra Firm, 13 in and up

+King size fits two sleepers or a larger frame
+CertiPUR-US certified foam
+Extra firm feel for firm support
−Extra firm feel may feel hard for side sleepers
No price recorded yet.

Compare specs

mattressSizeTypeFirmnessThicknessSpec scorePrice
KingHybridExtra Firm13 in and upn/a$399.99
as of 11/04/2026 12:41 PST - Details
KingHybridExtra Firm11 to 12 inn/a$399.99
as of 11/04/2026 18:41 PST - Details
KingHybridExtra Firm13 in and upn/aNo current price

Before you buy

Other Size options

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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 Mattresses57King Memory Foam Mattresses33Twin Memory Foam Mattresses46Thick Hybrid Mattresses73

Related product types

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