Carbon Fiber King Mattresses

Carbon Fiber King Mattresses offer a spacious sleep surface for couples, families and anyone who prefers extra room to stretch out. Explore a range of king mattress options at Mattress Firm to compare comfort preferences, mattress types and prices, then find the right fit for your bedroom and sleep routine.

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Beautyrest PressureSmart 2.0 Plush 11.75" Mattress

6251

Starting at

$1149⁹⁹

$2299⁹⁹

$1150 OFF

Plush Comfort, best for

Side Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest PressureSmart 2.0 Plush Pillow Top 13.75" Mattress

2695

Starting at

$1199⁹⁹

$2399⁹⁹

$1200 OFF

Plush Comfort, best for

Side Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest PressureSmart 2.0 Hybrid Medium 13" Mattress

1758

Starting at

$1474⁹⁹

$2949⁹⁹

$1475 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$1099⁹⁹

$2199⁹⁹

$1100 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest PressureSmart 2.0 Extra Firm 13.5" Mattress

2187

Starting at

$1449⁹⁹

$2899⁹⁹

$1450 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Carbon fiber king mattresses combine the spacious comfort of a king size mattress with advanced materials designed to support a cooler, more comfortable night’s sleep. In many mattress designs, carbon fiber is infused into memory foam or other comfort layers to help conduct and dissipate heat while providing responsive pressure relief. This technology may appeal to hot sleepers, couples who want more room to spread out and anyone searching for a king mattress with modern cooling features. Depending on the model, a carbon fiber mattress may also include gel memory foam, breathable covers, individually wrapped coils and reinforced edge support to promote airflow, reduce motion transfer and make it easier to use the full sleep surface. Review the mattress construction, firmness level and cooling materials to find the right fit for your sleep style. Choosing a carbon fiber king mattress starts with matching the mattress feel and support system to your needs. Side sleepers often prefer a softer comfort layer that cushions the shoulders and hips, while back and stomach sleepers may benefit from a medium-firm or firm king mattress that helps maintain a comfortable sleep posture. Hybrid carbon fiber king mattresses can provide a balanced combination of contouring foam and supportive coils, while all-foam options offer a close-fitting feel and excellent motion isolation for couples. A king mattress measures approximately 76 inches wide by 80 inches long, making it a practical choice for larger bedrooms and shared sleep spaces. Compare carbon fiber mattresses by firmness, cooling performance, pressure relief, edge support, trial terms and warranty coverage to shop confidently for long-lasting comfort.

What is a carbon fiber king mattress? + -

A carbon fiber king mattress is made with carbon fiber or carbon fiber-infused materials as part of its comfort or support layers. The exact construction can vary by mattress, so review the product details to learn how carbon fiber is used.

What types of materials are used with carbon fiber in a mattress? + -

Carbon fiber may be combined with materials such as memory foam, innerspring coils, latex or other specialty foams. Each mattress uses its own combination of materials and layers.

Do carbon fiber king mattresses come in different comfort feels? + -

Yes, carbon fiber king mattresses may be available in comfort feels ranging from plush to medium to firm. Choose the feel that best matches your personal sleep preferences.

What type of foundation works with a carbon fiber king mattress? + -

Many carbon fiber king mattresses can be paired with a compatible platform bed, adjustable base, slatted foundation or traditional foundation. Always check the mattress manufacturer's foundation guidelines before choosing a base.

How should I care for a carbon fiber king mattress? + -

Use a properly supported foundation and a mattress protector designed for your mattress. Rotate the mattress only if the manufacturer recommends it, and follow the care instructions provided with the mattress.