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Medium Firm Mattresses

All mattresses

25 medium firm mattresses from Egohome, BedStory, Zinus and more. Most cost $40 to $114, and half cost less than $43.

Sunny Heart

Twin XL, Memory Foam, Medium Firm, Under 8 in

+Twin XL size for longer beds
+CertiPUR certified memory foam
+Ships boxed, under 8 inches thick
−Thin at under 8 inches
$89.99-14%List: $104.99
as of 11/04/2026 06:38 PST - Details
Egohome

Twin, Memory Foam, Medium Firm, Under 8 in

+Twin size fits children's beds and small rooms
+CertiPUR-US certified foam
+Green tea memory foam built for cooling
−Thin 5-inch profile offers less cushioning than thicker mattresses
$87.99
as of 11/03/2026 22:47 PST - Details
Lifement

Full, Memory Foam, Medium Firm, Under 8 in

+Full size fits a single sleeper or a smaller bedroom
+CertiPUR-US certified memory foam
+Cooling gel infused foam
−Only 6 inches thick, under 8 inch range
−Memory foam type rather than hybrid coils
No price recorded yet.
Hoggisleep

Memory Foam, Medium Firm, Under 8 in

+Memory foam conforms to the body for pressure relief
+Medium firm feel suits a wide range of sleepers
+Ships boxed for simple setup
−Under 8 inches of thickness is thinner than most mattresses
$153.99
as of 11/03/2026 23:25 PST - Details
Anwickjeff

Twin, Hybrid, Medium Firm, Under 8 in

+CertiPUR-US certified foam
+Hybrid construction combines foam and support layers
+Medium firm feel
−Under 8 inches thick, thinner than typical mattresses
$58.35
as of 11/04/2026 10:36 PST - Details
Generic

Medium Firm, Under 8 in

+Medium firm feel for balanced support
+Cooling feature for a cooler sleep surface
+Zippered, washable cover
−Under 8 inches thick, thinner than typical mattresses
No price recorded yet.
Egohome

Twin, Memory Foam, Medium Firm, Under 8 in

+CertiPUR-US certified memory foam
+Cooling green tea gel for a cooler sleep surface
+Shipped boxed for easy home delivery
−Only 5 inches thick, thinner than typical mattresses
−Twin size fits one sleeper only
$92.51
as of 11/03/2026 22:48 PST - Details
Best Price Mattress

Twin, Memory Foam, Medium Firm, Under 8 in

+Cooling gel infused memory foam
+Medium-firm feel for a balanced support level
+Ships boxed for easier delivery to the home
−Thin 5-inch profile offers less cushioning
−Twin size only fits one sleeper
$93.99
as of 11/03/2026 22:05 PST - Details
Egohome

Twin, Memory Foam, Medium Firm, Under 8 in

+CertiPUR-US certified memory foam
+Fiberglass free construction
+Shipped boxed for easy home delivery
−Only 6 inches thick, thinner than typical mattresses
−Twin size fits one sleeper only
$114.99
as of 11/03/2026 22:48 PST - Details
Nxzmdemy

Twin, Memory Foam, Medium Firm, Under 8 in

+Cooling foam and breathable comfort layer
+Memory foam construction
+Medium firm feel for pressure relief
−Under 8 inches thick, thinner than typical mattresses
$39.89
as of 11/04/2026 10:36 PST - Details
Ftopbtb

Twin, Memory Foam, Medium Firm, Under 8 in

+Twin size fits standard twin bed frames
+CertiPUR-US certified foam
+Memory foam conforms to the body's shape
−Thin 6-inch profile offers less cushioning
$39.99
as of 11/03/2026 23:02 PST - Details
YskdhfczQ

Twin, Memory Foam, Medium Firm, Under 8 in

+CertiPUR-US certified foam
+Cooling gel memory foam layer
+Medium firm feel
−Thin profile offers less cushioning than thicker mattresses
$39.89
as of 11/04/2026 08:42 PST - Details
Serta

Full, Memory Foam, Medium Firm, Under 8 in

+CertiPUR-US certified foam
+Cooling gel memory foam
+Medium firm feel
−Under 8 inch profile is thinner than most memory foam models
−Full size is smaller than queen or king
$252.79
as of 11/04/2026 02:37 PST - Details
YskdhfczQ

Twin, Memory Foam, Medium Firm, Under 8 in

+CertiPUR-US certified foam
+Cooling gel memory foam layer
+Medium firm feel
−Thin profile offers less cushioning than thicker mattresses
$39.89
as of 11/04/2026 08:42 PST - Details
Auruge

Twin, Memory Foam, Medium Firm, Under 8 in

+Green tea gel memory foam
+Removable washable cover
+Ships boxed for easy delivery
−Under 8 inches thick, thinner than most memory foam mattresses
$42.69
as of 11/03/2026 22:00 PST - Details
Bhxwry

Full, Memory Foam, Medium Firm, Under 8 in

+Full size fits standard full beds
+Green tea gel cooling design
+CertiPUR certified foam
−Only 4 inches thick, thinner than typical mattresses
$42.99
as of 11/03/2026 23:04 PST - Details
YskdhfczQ

Twin, Memory Foam, Medium Firm, Under 8 in

+CertiPUR-US certified memory foam
+Cooling green tea gel layer
+Medium firm feel for pressure relief
−Under 8 inches thick, thinner than typical mattresses
$39.89
as of 11/04/2026 10:36 PST - Details
Zfhcbj

Twin, Memory Foam, Medium Firm, Under 8 in

+CertiPUR-US certified foam for low chemical emissions
+Cooling gel memory foam for a cooler sleep surface
+Ships boxed for easy home delivery
−Under 8 inch profile offers less cushioning than thicker mattresses
−All-foam build lacks innerspring support
$79.99
as of 11/04/2026 06:38 PST - Details
Mtsvmp

Twin, Memory Foam, Medium Firm, Under 8 in

+Twin size fits single beds and small rooms
+CertiPUR-US certified memory foam
+Cooling gel memory foam for a cool sleep surface
−Thin at under 8 inches
−Thin profile offers less cushioning than thicker mattresses
$39.99
as of 11/04/2026 00:19 PST - Details
Mtsvmp

Twin, Memory Foam, Medium Firm, Under 8 in

+Twin size fits single beds and small rooms
+CertiPUR-US certified memory foam
+Cooling gel memory foam construction
−Thin at under 8 inches
−Thin profile offers less cushioning than thicker mattresses
$39.89
as of 11/04/2026 00:19 PST - Details
Nxzmdemy

Twin, Memory Foam, Medium Firm, Under 8 in

+Cooling feature listed for a warmer sleep
+Memory foam conforms to the body for pressure relief
+Ships boxed for easy home delivery
−Under 8 inch thickness is thinner than typical twin mattresses
$39.89
as of 11/04/2026 00:29 PST - Details
Ayjoir

Twin, Memory Foam, Medium Firm, Under 8 in

+High-density charcoal-infused memory foam
+Medium firm spine and back support
+Twin size fits single beds
−Under 8 inches thick, thinner than typical mattresses
$42.51
as of 11/04/2026 10:36 PST - Details
Generic

Full, Memory Foam, Medium Firm, Under 8 in

+CertiPUR-US certified foam for a certified material standard
+Copper gel foam for cooling
+Medium firm feel for a balanced surface
−Thin 6 inch profile offers less cushioning than thicker mattresses
No price recorded yet.
Generic

Twin, Memory Foam, Medium Firm, Under 8 in

+CertiPUR-US certified memory foam
+Twin size fits single beds and bunk beds
+Medium firm feel for pressure relief
−Under 8 inches thick, thinner than typical mattresses
No price recorded yet.
Zinus

Twin, Hybrid, Medium Firm, Under 8 in

−Cooling not listed: 90 of the 169 here list one
$89.99
as of 11/04/2026 09:36 PST - Details

Compare specs

mattressSizeTypeFirmnessThicknessSpec scorePrice
Twin XLMemory FoamMedium FirmUnder 8 inn/a$89.99
as of 11/04/2026 06:38 PST - Details
TwinMemory FoamMedium FirmUnder 8 inn/a$87.99
as of 11/03/2026 22:47 PST - Details
FullMemory FoamMedium FirmUnder 8 inn/aNo current price
Memory FoamMedium FirmUnder 8 inn/a$153.99
as of 11/03/2026 23:25 PST - Details
TwinHybridMedium FirmUnder 8 inn/a$58.35
as of 11/04/2026 10:36 PST - Details
Medium FirmUnder 8 inn/aNo current price
TwinMemory FoamMedium FirmUnder 8 inn/a$92.51
as of 11/03/2026 22:48 PST - Details
TwinMemory FoamMedium FirmUnder 8 inn/a$93.99
as of 11/03/2026 22:05 PST - Details
TwinMemory FoamMedium FirmUnder 8 inn/a$114.99
as of 11/03/2026 22:48 PST - Details
TwinMemory FoamMedium FirmUnder 8 inn/a$39.89
as of 11/04/2026 10:36 PST - Details

Before you buy

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