Uncover 71+ Captivating Serta Ultra Firm King Mattress With Many New Styles

The Serta Perfect Sleeper Ultra Firm King Mattress is a top-of-the-line choice for those who prefer an extra firm sleeping surface. With its advanced support technology and superior materials, this mattress will provide you with a truly restful and rejuvenating night's sleep.

Featuring a gel-infused memory foam layer, the Perfect Sleeper Ultra Firm King Mattress conforms to your body's unique shape and minimizes motion transfer for a more peaceful sleep. The foam is also designed to regulate temperature and keep you cool throughout the night, so you can wake up feeling refreshed and energized.

If you suffer from back pain or need extra support, the 1000 Edition Custom Support Coil System in this mattress is a game changer. The individually wrapped coils provide targeted support to your body's pressure points, promoting proper spinal alignment and reducing discomfort.

For added durability and stability, this mattress also features BestEdge Foam Encasement which ensures that the mattress retains its shape and support system for years to come.

Experience the ultimate in firm comfort with the Serta iComfort Ultra Firm King Mattress. This mattress combines the benefits of gel-infused memory foam and cooling technology to create a sleeping surface that is both supportive and temperature-regulating.

The Carbon Fiber Memory Foam in this mattress is designed to absorb excess heat and dissipate it away from your body, keeping you cool and comfortable all night long. This technology is especially beneficial for hot sleepers or those who live in warmer climates.

In addition to its cooling properties, the iComfort Ultra Firm King Mattress also offers exceptional support through its 1000 Edition Custom Support Coil System. This system is specifically designed to provide targeted support to your body's pressure points, reducing pain and promoting proper spinal alignment.

The iComfort Ultra Firm King Mattress also features Max Cold Cover, a breathable and moisture-wicking fabric that adds an extra layer of cooling comfort to your sleep experience.

The Serta Perfect Sleeper Elite Ultra Firm King Mattress is the ideal choice for those who prefer a firmer sleeping surface without compromising on comfort. With its advanced support technology and premium materials, this mattress will help you wake up feeling rested and rejuvenated every morning.

One of the standout features of this mattress is the HyperTouch Comfort System, which combines gel-infused memory foam with carbon fiber memory foam to provide exceptional pressure point relief and targeted support.

In addition, the 1000 Edition Custom Support Coil System in this mattress ensures proper spinal alignment and minimizes motion transfer, so you can sleep undisturbed even if your partner moves around.

The Perfect Sleeper Elite Ultra Firm King Mattress also features a CoolFeel Fabric cover that is cool to the touch and helps regulate temperature for a more comfortable sleep environment.

If you're looking for a mattress that combines the best of both worlds – the support of a traditional innerspring mattress and the pressure relief of a memory foam mattress – then look no further than the Serta iSeries Ultra Firm King Mattress.

This mattress features a Duet Coil System that combines individually wrapped coils with a layer of gel-infused memory foam for excellent support and comfort. The coils provide targeted support to your body's pressure points, while the memory foam conforms to your unique shape for a more personalized sleep experience.

The iSeries Ultra Firm King Mattress also features Cool Action Gel Memory Foam which is designed to promote a cooler sleep surface and prevent heat build-up for a more comfortable night's sleep.

The Serta Perfect Sleeper Select Ultra Firm King Mattress is a great choice for those who want a firm sleeping surface without compromising on comfort. Designed with the latest sleep technology, this mattress provides superior support and pressure relief for a truly restful night's sleep.

The 1000 Edition Custom Support Coil System in this mattress provides targeted support to your body's pressure points, reducing pain and promoting proper spinal alignment. In addition, the HyperTouch Comfort System combines gel-infused memory foam and carbon fiber memory foam for enhanced pressure relief and support.

The Perfect Sleeper Select Ultra Firm King Mattress also features a MoistureWicking Cover that helps regulate temperature and keep you cool and comfortable throughout the night.

The Serta iComfort Hybrid Ultra Firm King Mattress offers the perfect balance of support and comfort. Combining the benefits of innerspring and memory foam technology, this mattress is designed to provide a cool and supportive sleep experience.

The Duet Edge Coil System in this mattress features individually wrapped coils that provide targeted support to your body's pressure points, while also minimizing motion transfer for undisturbed sleep. In addition, the TempActiv Gel Memory Foam layer helps regulate temperature and prevent heat build-up for a cooler sleep surface.

The iComfort Hybrid Ultra Firm King Mattress also features a MoistureWicking Cover that is cool to the touch and helps dissipate heat for a more comfortable sleep environment.

Experience the luxury and comfort of a hotel mattress in your own home with the Serta Perfect Sleeper Hotel Ultra Firm King Mattress. This mattress is designed to provide extra firm support while also keeping you cool and comfortable throughout the night.

The HyperTouch Comfort System in this mattress combines gel-infused memory foam and carbon fiber memory foam for exceptional pressure relief and support. In addition, the 1000 Edition Custom Support Coil System ensures proper spinal alignment and minimizes motion transfer for a more restful sleep.

The Perfect Sleeper Hotel Ultra Firm King Mattress also features a CoolFeel Fabric cover that is cool to the touch and helps regulate temperature for a more comfortable sleep environment.

The Serta iComfort Blue Max Ultra Firm King Mattress is the perfect choice for those who want a firm sleeping surface with the added benefit of cooling technology. This mattress features a TempActiv Gel Memory Foam layer that helps regulate temperature and prevent heat build-up for a cooler sleep experience.

The Max Cold Cover on this mattress is cool to the touch and adds an extra layer of cooling comfort. In addition, the HyperTouch Comfort System combines gel-infused memory foam and carbon fiber memory foam for exceptional pressure relief and support.

The iComfort Blue Max Ultra Firm King Mattress also features a 1000 Edition Custom Support Coil System for targeted support and proper spinal alignment.

The Serta Perfect Sleeper Elite Trelleburg II Ultra Firm King Mattress is a top-of-the-line choice for those who want the ultimate in firm support and comfort. With its advanced support technology and premium materials, this mattress will provide you with a truly restful and rejuvenating night's sleep.

The HyperTouch Comfort System in this mattress combines gel-infused memory foam and carbon fiber memory foam for exceptional pressure relief and support. The 1000 Edition Custom Support Coil System also provides targeted support to your body's pressure points, reducing pain and promoting proper spinal alignment.

For added durability and stability, the Trelleburg II Ultra Firm King Mattress also features BestEdge Foam Encasement which ensures that the mattress retains its shape and support system for years to come.

For a truly luxurious sleep experience, the Serta iComfort Hybrid Blue Fusion 1000 Ultra Firm King Mattress is the way to go. Combining the benefits of innerspring and memory foam technology, this mattress offers exceptional support and comfort for a restful night's sleep.

The Duet Coil System in this mattress provides targeted support to your body's pressure points, while the TempActiv Gel Memory Foam layer helps regulate temperature and prevent heat build-up for a cooler sleep surface.

In addition, the Blue Fusion 1000 Ultra Firm King Mattress also features a Max Cold Cover that is cool to the touch and adds an extra layer of cooling comfort to your sleep experience.