Explore 87+ Stunning Serta Blue 300 Firm King Mattress For Every Budget

The Serta Blue 300 Firm King Mattress is the perfect choice for those who prefer a firmer sleeping surface. This top-of-the-line mattress is designed with advanced technology to provide exceptional support and comfort throughout the night. With its exclusive TempActiv™ Gel Memory Foam and EverCool® Fuze Gel Memory Foam, you can enjoy a cooler and more comfortable sleep experience.

At 12 inches thick, this mattress offers a medium-firm feel that is ideal for back and stomach sleepers. The TempActiv™ Gel Memory Foam works to absorb excess heat and channel it away from your body, while the EverCool® Fuze Gel Memory Foam provides pressure relief and supports proper spinal alignment.

But what sets the Serta Blue 300 Firm King Mattress apart from the rest is its TempActiv™ Touch Cover. This breathable and moisture-wicking cover is infused with premium polyester fibers that help regulate body temperature and keep you cool and dry all night long.

For those who want the best of both worlds - a firm foundation with a plush top - the Serta Perfect Sleeper Elite Trelleburg II 14.25" Firm Pillow Top Mattress is the ideal choice.

This high-quality mattress features an innerspring coil system that provides targeted support and reduces motion transfer, so you can sleep soundly without disturbance. On top of that, the Comfort XD™ Foam and EverCool® Fuze Gel Foam layers work together to contour to your body's curves and relieve pressure points.

The PerfectPure™ Fiber and HyperTouch™ Comfort layers add extra cushioning and enhance overall comfort, while the TempActiv™ Gel Memory Foam helps regulate body temperature for a cooler sleep experience.

Experience the ultimate in plush comfort with the Serta iComfort Blue Max 1000 Plush King Mattress. This luxurious mattress combines TempActiv™ Max Gel Memory Foam and ActivBalance™ Support Foam to provide a soft and supportive sleeping surface.

The Max Gel Memory Foam is infused with carbon fiber to absorb excess heat and dissipate it away from your body, while the ActivBalance™ Support Foam works to reduce pressure points and promote proper spinal alignment.

In addition, the TempActiv™ Touch Cover provides a cool and comfortable sleep surface, and the EverCool® Fuze Gel Memory Foam adds extra cushioning and support for a truly restful night's sleep.

The Serta iComfort Blue Fusion 1000 Luxury Firm King Mattress is the perfect blend of firm support and luxurious comfort. It features TempActiv™ Gel Memory Foam and Hybrid Coil™ Support System for a unique and tailored sleeping experience.

The TempActiv™ Gel Memory Foam is infused with phase change material to help regulate body temperature and keep you cool, while the Hybrid Coil™ Support System provides responsive support and reduces motion transfer.

The TempActiv™ Touch Cover is also included in this mattress, providing a cool and comfortable sleeping surface, and the EverCool® Fuze Gel Memory Foam adds extra cushioning and support for a truly restful night's sleep.

The Serta iComfort Blue 300 Firm King Mattress is another top choice for those who prefer a firmer sleeping surface. It features TempActiv™ Gel Memory Foam and EverCool® Fuze Gel Memory Foam for a cool and comfortable night's sleep.

The TempActiv™ Gel Memory Foam works to absorb excess heat and channel it away from your body, while the EverCool® Fuze Gel Memory Foam provides pressure relief and supports proper spinal alignment. The TempActiv™ Touch Cover, made with moisture-wicking fibers, adds an extra layer of cooling comfort.

The Serta Perfect Sleeper Elite Trelleburg II 11.5" Firm Mattress is a great choice for those who want a firmer sleeping surface without sacrificing comfort. It features Comfort XD™ Foam and EverCool® Fuze Gel Foam for a supportive and pressure-relieving sleep experience.

The Comfort XD™ Foam conforms to your body's curves and provides targeted support, while the EverCool® Fuze Gel Foam works to reduce pressure points and promote proper spinal alignment. The PerfectPure™ Fiber and HyperTouch™ Comfort layers add extra cushioning and enhance overall comfort.

For those who want the ultimate in luxury and support, the Serta iComfort Blue Max 5000 Elite Luxury Firm King Mattress is the perfect choice. It features TempActiv™ Max Gel Memory Foam and ActivBalance™ Support Foam for a truly indulgent sleep experience.

The Max Gel Memory Foam is infused with carbon fiber to absorb excess heat and dissipate it away from your body, while the ActivBalance™ Support Foam works to reduce pressure points and promote proper spinal alignment. The TempActiv™ Touch Cover provides a cool and comfortable sleep surface, and the EverCool® Fuze Gel Memory Foam adds extra cushioning and support for a restful night's sleep.

Experience the ultimate in plush comfort with the Serta iComfort Blue Fusion 300 Plush Pillow Top King Mattress. It features TempActiv™ Gel Memory Foam and Hybrid Coil™ Support System for a soft and supportive sleeping surface.

The TempActiv™ Gel Memory Foam is infused with phase change material to help regulate body temperature and keep you cool, while the Hybrid Coil™ Support System provides responsive support and reduces motion transfer. The TempActiv™ Touch Cover also adds an extra layer of cooling comfort.

The Serta Perfect Sleeper Elite Trelleburg II 14.25" Firm Mattress Set is a complete sleep system that includes the firm mattress and a matching foundation. This set is designed to provide the ultimate in support and comfort for a restful night's sleep.

The mattress features an innerspring coil system that provides targeted support and reduces motion transfer, while the Comfort XD™ Foam and EverCool® Fuze Gel Foam layers work together to contour to your body's curves and relieve pressure points. The PerfectPure™ Fiber and HyperTouch™ Comfort layers add extra cushioning and enhance overall comfort.

The matching foundation is made with solid wood construction for durability and support. It also has a low-profile design, making it the perfect addition to any bedroom.

The Serta iComfort Blue Max 1000 Plush King Mattress Set is the complete sleep system for those who want the ultimate in plush comfort. It includes the plush mattress and a matching foundation for a supportive and luxurious sleep experience.

The mattress features TempActiv™ Max Gel Memory Foam and ActivBalance™ Support Foam for a soft and supportive sleeping surface. The Max Gel Memory Foam is infused with carbon fiber to absorb excess heat and dissipate it away from your body, while the ActivBalance™ Support Foam works to reduce pressure points and promote proper spinal alignment.

The matching foundation is made with solid wood construction for durability and support. It also has a low-profile design, making it the perfect addition to any bedroom.