Explore 75+ Breathtaking Serta The Firmest Model Mattress You Won't Be Disappointed

Looking for a firm and supportive mattress to give you a good night's sleep? Look no further than the Serta Perfect Sleeper Elite Trelleburg II 14.25" Firm Mattress. This top-of-the-line model from Serta offers the perfect balance of comfort and support, making it a popular choice among customers.

The Trelleburg II features Serta's exclusive advanced coil system, providing superior support and minimizing motion transfer. This means you can sleep undisturbed even if your partner tosses and turns throughout the night. The mattress is also designed with a layer of Cool Twist® Gel Foam to help regulate your body temperature and keep you cool and comfortable all night long.

But what truly sets the Trelleburg II apart is its firmness level. With a rating of 8 on the firmness scale, it offers a solid and supportive feel without being too hard. This makes it a great choice for those who prefer a firm mattress but still want a bit of cushioning for pressure relief.

In addition to its firmness, the Trelleburg II also comes with a 14.25" profile, making it one of the thickest mattresses in the Serta lineup. This extra thickness adds to the overall comfort and support of the mattress, making it ideal for those who want a high-quality, durable mattress that can last for years to come.

If you're in the market for a firm mattress that also offers advanced cooling technology, the Serta iComfort CF4000 13.5" Firm Mattress could be the perfect fit for you. This mattress is designed to provide the ultimate combination of support, pressure relief, and temperature control for a truly comfortable sleeping experience.

The CF4000 features Serta's exclusive Carbon Fiber Memory Foam, which is designed to channel heat away from your body and provide exceptional support. This material also helps to reduce pressure points and promotes proper spinal alignment, resulting in a more restful and rejuvenating sleep.

In addition to the Carbon Fiber Memory Foam, the CF4000 also includes layers of gel-infused memory foam and gel-infused polyfoam to provide even more cooling and comfort. The result is a mattress that stays cool and comfortable throughout the night, allowing you to wake up feeling refreshed and energized.

But don't let the cooling technology fool you – the CF4000 is still a firm mattress with a rating of 8 on the firmness scale. This means it offers a supportive and solid feel, making it a great choice for back and stomach sleepers who need extra support for their spine.

Another top-rated firm mattress from Serta is the iComfort CF3000 12.5" Firm Mattress. This mattress is similar to the CF4000 in terms of cooling technology, but with a slightly lower profile and price point.

The CF3000 features Serta's exclusive Max Cold™ Cover, which is designed to keep you cool and comfortable while you sleep. This cover is made with high-performance fibers that are cool to the touch and help wick away moisture, ensuring a comfortable sleep environment all night long.

Underneath the cover, the CF3000 is built with layers of gel-infused memory foam and gel-infused polyfoam, providing pressure relief and support while also keeping you cool. These layers are also designed to promote proper spinal alignment and reduce motion transfer, so you can sleep soundly without being disturbed by your partner's movements.

With a firmness rating of 8, the CF3000 is a great choice for those who prefer a firmer mattress without sacrificing comfort. Its 12.5" profile also makes it a good fit for those who want a slightly thinner mattress that still offers ample support and comfort.

For those on a budget or who prefer a thinner mattress, the Serta iComfort CF1000 10" Firm Mattress is an excellent option. This affordable mattress still offers the same cooling technology and support as its higher-end counterparts, making it a fantastic value for the price.

The CF1000 features Serta's exclusive EverCool® Fuze Gel Foam, which is designed to promote airflow and keep you cool while you sleep. This layer is also infused with carbon fiber to help dissipate heat and provide extra support for your body.

In addition to the cooling technology, the CF1000 also features a layer of Serta's exclusive Air Support™ Foam, providing a firm and supportive feel without being too hard. This makes it a great choice for those who prefer a firm mattress, but also want a bit of cushioning for pressure relief.

With a 10" profile and a firmness rating of 7, the CF1000 is a great choice for those who want a budget-friendly mattress that still offers the support and comfort of a high-end model.

If you're looking for a firm mattress with a bit of extra cushioning, the Serta Perfect Sleeper Elite Trelleburg II 14.25" Firm Pillow Top Mattress could be the perfect fit for you. This mattress offers the same support and comfort as the Trelleburg II, but with the added luxury of a plush pillow top.

The Trelleburg II Pillow Top features Serta's exclusive PillowSoft® Foam, which provides a soft and comfortable surface for a more restful sleep. This layer is also infused with gel to help regulate your body temperature and prevent overheating throughout the night.

In addition to the pillow top, the Trelleburg II Pillow Top also features Serta's exclusive advanced coil system and layer of Cool Twist® Gel Foam, providing the same support and cooling properties as the non-pillow top version. With a firmness rating of 8, this mattress offers a solid and supportive feel with just the right amount of cushioning for pressure relief.

For those who want the ultimate in luxury and support, the Serta iComfort CF4000 13.5" Firm Pillow Top Mattress is the perfect choice. This top-of-the-line model offers the same advanced cooling technology and support as the CF4000, but with the added plushness of a pillow top.

The CF4000 Pillow Top features Serta's exclusive Carbon Fiber Memory Foam and layers of gel-infused memory foam and gel-infused polyfoam, providing exceptional support and comfort. The pillow top is also infused with carbon fiber to help dissipate heat and keep you cool throughout the night.

In addition to its cooling properties, the CF4000 Pillow Top also features a layer of Serta's exclusive Air Support™ Foam, providing a firm and supportive feel without being too hard. This makes it a great choice for those who prefer a firm mattress but still want a bit of cushioning for pressure relief.

For a slightly more affordable option, the Serta iComfort CF3000 12.5" Firm Pillow Top Mattress offers the same cooling technology and support as the CF4000 Pillow Top at a lower price point. This mattress is also a great choice for those who want a thinner profile without sacrificing comfort and support.

The CF3000 Pillow Top features Serta's exclusive Max Cold™ Cover and layers of gel-infused memory foam and gel-infused polyfoam, providing cooling and pressure relief. It also includes a layer of Serta's exclusive Air Support™ Foam for a firm and supportive feel.

With a 12.5" profile and a firmness rating of 8, the CF3000 Pillow Top is a great choice for those who want a high-quality, luxurious mattress without breaking the bank.

For those on a budget or who prefer a thinner mattress, the Serta iComfort CF1000 10" Firm Pillow Top Mattress is a fantastic choice. This affordable mattress still offers the same cooling technology and support as its higher-end counterparts, but with the added plushness of a pillow top.

The CF1000 Pillow Top features Serta's exclusive EverCool® Fuze Gel Foam and Air Support™ Foam, providing cooling and support for a comfortable sleep experience. It also includes a layer of Serta's exclusive PillowSoft® Foam for a soft and luxurious feel.

With a 10" profile and a firmness rating of 7, the CF1000 Pillow Top is a great choice for those who want a budget-friendly mattress that still offers the support and comfort of a high-end model with the added luxury of a pillow top.

For those who want the best of both worlds – the support of a traditional innerspring mattress with the comfort of memory foam – the Serta Perfect Sleeper Elite Trelleburg II 14.25" Firm Hybrid Mattress is the perfect choice. This hybrid mattress offers the ultimate in support and comfort for a truly restful sleep.

The Trelleburg II Hybrid features Serta's exclusive advanced coil system, providing superior support and minimizing motion transfer. It also includes a layer of Cool Twist® Gel Foam to help regulate your body temperature and keep you cool and comfortable throughout the night.

But what sets this mattress apart is its hybrid design, with a layer of gel-infused memory foam on top of the coil system. This provides the perfect combination of support and pressure relief, making it a great choice for those who want a firm mattress with added cushioning.

With a 14.25" profile and a firmness rating of 8, the Trelleburg II Hybrid is a top-rated choice for those who want a supportive and comfortable hybrid mattress.

If you're in the market for a hybrid mattress with advanced cooling technology, the Serta iComfort CF4000 13.5" Firm Hybrid Mattress is a top choice. This mattress offers the same support and cooling properties as the CF4000, but with the added benefits of a hybrid design.

The CF4000 Hybrid features Serta's exclusive Carbon Fiber Memory Foam and layers of gel-infused memory foam and gel-infused polyfoam, providing exceptional support and comfort. The hybrid design also includes a layer of foam on top of the coil system for added cushioning and pressure relief.

In addition to its cooling properties, the CF4000 Hybrid also features a layer of Serta's exclusive Air Support™ Foam, providing a firm and supportive feel without being too hard. This makes it a great choice for those who want a firm mattress with the added benefits of memory foam and a hybrid design.

With a 13.5" profile and a firmness rating of 8, the CF4000 Hybrid offers the perfect balance of support, comfort, and cooling for a truly restful sleep experience.