Luxury Full Size Extra Firm Mattresses

Explore Luxury Full Size Extra Firm Mattresses at Mattress Firm to find a supportive sleep surface that fits your space, comfort preferences and bedroom style. Browse available options and compare sizes, prices and more to discover the right mattress for your needs.

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Stearns & Foster Estate 13.5" Extra Firm Mattress

1058

Starting at

$2149⁰⁰

$2449⁰⁰

$300 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Receive $300 Instant Gift⁴ with purchase.

Kingsdown Wesley 15" Extra Firm Mattress

Starting at

$3129⁰⁰

$3729⁰⁰

$600 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 13.5" Extra Firm Mattress

697

Starting at

$1629⁰⁰

$2029⁰⁰

$400 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

$300 ⁶ adjustable base instant gift with purchase.

Dreamcloud PressureSmart Technology Extra Firm Pillow Top Mattress

270

Starting at

$1999⁰⁰

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Elite Brenham II 14" Ultra Firm Mattress

Starting at

$1849⁰⁰

$2049⁰⁰

$200 OFF

Extra Firm Comfort, best for

Back Sleepers
Pain
Temperature
Allergies
Bed Partner
Toss and Turn

Receive $200 Instant Gift⁴ with purchase.

Luxury full size extra firm mattresses combine premium materials, elevated comfort and the strong, supportive feel many sleepers prefer. Designed for individuals or couples who want more room than a twin without the footprint of a queen, a full size mattress can be an excellent choice for guest rooms, apartments, primary bedrooms and growing sleepers. Extra firm comfort provides a stable sleep surface with minimal sink, which may feel especially comfortable for back and stomach sleepers or anyone who prefers a more supportive feel. Look for luxury features such as individually wrapped coils, high-density foam, TEMPUR-Material™, breathable covers and reinforced edges to help promote balanced support, pressure relief and lasting comfort. Choosing the right luxury full size extra firm mattress starts with considering your sleep position, body type and preferred materials. Innerspring and hybrid designs can provide responsive support, airflow and easier movement, while all-foam models offer a solid, contouring feel with less bounce. A mattress with targeted lumbar support may help create a more even sleep surface, while sturdy edge support can make the full size bed feel more spacious and stable when sitting or sleeping near the perimeter. Explore premium full size mattresses at Mattress Firm and connect with Sleep Experts® for guidance on finding extra firm comfort that supports better zzz's.

What is a luxury extra firm mattress? + -

A luxury extra firm mattress combines a highly supportive feel with premium materials, thoughtful construction and elevated comfort details. These mattresses may feature high-density foams, responsive coils, breathable covers or targeted support zones.

What materials are commonly used in luxury extra firm mattresses? + -

Luxury extra firm mattresses may include individually wrapped coils, high-density support foam, TEMPUR-Material™, natural fibers, cooling fabrics and premium quilting. The materials vary by mattress, so review the product details to find the features that match your preferences.

How does a luxury extra firm mattress feel? + -

A luxury extra firm mattress typically has a very supportive surface with minimal sinkage. Its comfort layers may add cushioning while maintaining the firm, stable feel associated with this mattress type.

Can a luxury extra firm mattress have pressure-relieving comfort layers? + -

Yes. Some luxury extra firm mattresses include cushioning layers designed to complement the supportive core. These layers can be made from materials such as memory foam, latex or quilted fibers while preserving an extra firm feel.

What type of foundation pairs with a luxury extra firm mattress? + -

A luxury extra firm mattress should be paired with a compatible foundation, platform bed or adjustable base according to the manufacturer’s guidelines. Using the recommended support system helps maintain the mattress’s intended feel and construction.