When it comes to finding the perfect mattress, comfort and support are key factors. That's why the Katherina Extra Firm King Mattress by Sealy is a top choice for those who prefer a firmer sleeping surface. This mattress offers the right balance of support and comfort to ensure a restful night's sleep every time you lay down. Sealy is a well-known and trusted brand in the mattress industry, and their Katherina Extra Firm King Mattress lives up to their reputation. With advanced features and high-quality materials, this mattress is designed to provide exceptional support and comfort for years to come. One of the standout features of the Katherina Extra Firm King Mattress is its Posturepedic Technology. This technology targets the heaviest parts of your body to provide reinforced support where you need it most. This means that your spine stays properly aligned while you sleep, promoting better posture and reducing any aches or pains.1. Katherina Extra Firm King Mattress by Sealy
Serta is another trusted brand in the mattress industry, and their Katherina Extra Firm King Mattress is a top contender for those who prefer a firmer sleeping surface. This mattress is designed with a variety of features to provide the ultimate support and comfort for a restful night's sleep. The Katherina Extra Firm King Mattress by Serta features their exclusive Perfect Sleeper technology, which is designed to provide proper back support and reduce motion transfer. This means that you can sleep undisturbed even if your partner tosses and turns throughout the night. In addition to its advanced technology, this mattress is also made with high-quality materials such as gel-infused memory foam and an innerspring support system. This combination of materials provides a balance of comfort and support, making it an ideal choice for those who prefer a firmer sleeping surface.2. Katherina Extra Firm King Mattress by Serta
Beautyrest is known for their luxurious and comfortable mattresses, and the Katherina Extra Firm King Mattress is no exception. This mattress is designed with a variety of features to provide the perfect balance of support and comfort for a great night's sleep. The Katherina Extra Firm King Mattress by Beautyrest features their exclusive BlackICE 4.0 technology, which helps to regulate your body temperature while you sleep. This means you can enjoy a cool and comfortable sleep, even on the warmest nights. In addition to its cooling technology, this mattress also includes Beautyrest's T3 Pocketed Coil technology. This system provides individualized back support and reduces motion transfer, ensuring you and your partner can sleep undisturbed throughout the night. 3. Katherina Extra Firm King Mattress by Beautyrest
Tempur-Pedic is well-known for their high-quality memory foam mattresses, and the Katherina Extra Firm King Mattress is a top choice for those who prefer a firmer sleeping surface. This mattress is designed with a variety of features to provide exceptional support and comfort for a restful night's sleep. The Katherina Extra Firm King Mattress by Tempur-Pedic is made with their exclusive TEMPUR-Adapt technology, which responds to your body's unique shape, weight, and temperature to provide personalized support and comfort. This means that your spine stays properly aligned while you sleep, reducing any aches or pains. In addition to its advanced technology, this mattress is also designed with a removable and washable cover for easy maintenance. This ensures that your mattress stays clean and fresh for years to come.4. Katherina Extra Firm King Mattress by Tempur-Pedic
Stearns & Foster is a luxury mattress brand that is known for their high-quality and innovative designs. The Katherina Extra Firm King Mattress is no exception, as it is designed with a variety of features to provide exceptional support and comfort for a restful night's sleep. The Katherina Extra Firm King Mattress by Stearns & Foster is made with their exclusive IntelliCoil technology, which adapts to your body's shape and weight to provide the perfect balance of support and comfort. This means that your spine stays properly aligned while you sleep, reducing any aches or pains. In addition to its advanced technology, this mattress is also designed with a soft, yet durable cover made from Tencel fabric. This fabric is known for its moisture-wicking properties, keeping you cool and comfortable throughout the night.5. Katherina Extra Firm King Mattress by Stearns & Foster
If you tend to sleep hot and are looking for a firm mattress that will keep you cool and comfortable, the Katherina Extra Firm King Mattress with Cooling Technology is the perfect choice for you. This mattress is designed with a variety of features to provide the ultimate support and comfort for a restful night's sleep. The Katherina Extra Firm King Mattress with Cooling Technology features a cooling gel-infused memory foam layer, which helps to regulate your body temperature while you sleep. This means you can enjoy a cool and comfortable sleep, even on the warmest nights. In addition to its cooling technology, this mattress also includes a high-density foam base layer for added support and durability. This means that your mattress will maintain its shape and provide the same level of comfort and support for years to come.6. Katherina Extra Firm King Mattress with Cooling Technology
For those who prefer the contouring and pressure-relieving benefits of memory foam, the Katherina Extra Firm King Mattress with Memory Foam is an excellent choice. This mattress is designed with a variety of features to provide exceptional support and comfort for a restful night's sleep. The Katherina Extra Firm King Mattress with Memory Foam features a thick layer of high-density memory foam, which conforms to your body's unique shape and weight for personalized support and comfort. This means that your spine stays properly aligned while you sleep, reducing any aches or pains. In addition to its memory foam layer, this mattress also includes a base layer of foam for added support and durability. This ensures that your mattress maintains its shape and provides the same level of comfort and support for years to come.7. Katherina Extra Firm King Mattress with Memory Foam
If you prefer the traditional feel of an innerspring mattress, the Katherina Extra Firm King Mattress with Innerspring Support is an excellent option for you. This mattress is designed with a variety of features to provide exceptional support and comfort for a restful night's sleep. The Katherina Extra Firm King Mattress with Innerspring Support features a layer of individually wrapped coils that adapt to your body's shape and weight for personalized support. This means that your spine stays properly aligned while you sleep, reducing any aches or pains. In addition to its innerspring support system, this mattress also includes a layer of high-density foam for added comfort and durability. This means that your mattress will maintain its shape and provide the same level of support for years to come.8. Katherina Extra Firm King Mattress with Innerspring Support
If you like to customize your sleep experience, the Katherina Extra Firm King Mattress with Adjustable Base is the perfect choice for you. This mattress is designed with a variety of features to provide exceptional support and comfort for a restful night's sleep. The Katherina Extra Firm King Mattress is compatible with an adjustable base, which allows you to elevate your head and feet to your desired position for added comfort and support. This is especially beneficial for those who suffer from back pain or other medical conditions. In addition to its adjustable base compatibility, this mattress also features a layer of high-density foam for added comfort and durability. This ensures that your mattress maintains its shape and provides the same level of support for years to come.9. Katherina Extra Firm King Mattress with Adjustable Base
If you prefer a firm mattress but still want a plush and comfortable feel, the Katherina Extra Firm King Mattress with Pillow Top Comfort is the perfect choice for you. This mattress is designed with a variety of features to provide exceptional support and comfort for a restful night's sleep. The Katherina Extra Firm King Mattress with Pillow Top Comfort features a pillow top layer made from a combination of high-quality materials such as memory foam and fiberfill. This layer provides an extra layer of comfort and cushioning without compromising the firmness of the mattress. In addition to its pillow top layer, this mattress also features an innerspring support system and high-density foam base layer for added support and durability. This means that your mattress will maintain its shape and provide the same level of comfort and support for years to come.10. Katherina Extra Firm King Mattress with Pillow Top Comfort
Discover the Comfort and Support of the Katherina Extra Firm King Mattress

Unparalleled Support for a Restful Night's Sleep

Individually Encased Coils for Targeted Support

Upgrade Your Sleep with the Katherina Extra Firm King Mattress
