Reveal 66+ Charming Firm Mattresses California King You Won't Be Disappointed

The Sealy Posturepedic Response Premium West Salem Cushion Firm California King Mattress is a top choice for those looking for a firm and supportive mattress. Made with Sealy's exclusive Posturepedic Technology, this mattress provides targeted support to the heaviest parts of your body, such as your hips and shoulders, for a more comfortable and restful sleep.

The cushion firm comfort level offers a balance of comfort and support, making it ideal for those who prefer a firmer feel. The mattress is also designed with a reinforced edge system, providing a solid seating surface and preventing the mattress from sagging over time.

This California King mattress is also equipped with Sealy's moisture-wicking technology, keeping you cool and comfortable throughout the night. It is also CertiPUR-US certified, ensuring that it is made without harmful chemicals and materials.

Main Keywords: Sealy Posturepedic, Cushion Firm, California King Mattress, Posturepedic Technology, Reinforced Edge System, Moisture-Wicking, CertiPUR-US certified

The Serta Perfect Sleeper Elite Trelleburg II Firm California King Mattress is another top-rated option for those in need of a firm and supportive mattress. It features Serta's exclusive Cool Twist Gel Memory Foam, which helps to dissipate heat and keep you cool while you sleep.

The firm comfort level of this mattress is perfect for those who suffer from back pain, as it provides the necessary support for proper spinal alignment. It also has a reinforced edge system, ensuring that the mattress retains its shape and support over time.

This California King mattress is also compatible with Serta's adjustable foundation, allowing you to customize your sleep experience and find the perfect position for your comfort.

Main Keywords: Serta Perfect Sleeper Elite, Trelleburg II, Firm, California King Mattress, Cool Twist Gel Memory Foam, Spinal Alignment, Reinforced Edge System, Adjustable Foundation

The Beautyrest Silver BRS900-C Extra Firm California King Mattress is a top-of-the-line mattress that offers exceptional support and comfort. It features Beautyrest's exclusive DualCool Technology, which helps to keep your body at an ideal sleeping temperature throughout the night.

The extra firm comfort level of this mattress is perfect for those who prefer a more solid sleeping surface. It also has a layer of Beautyrest Gel Memory Foam, which provides pressure relief and helps to reduce motion transfer for undisturbed sleep.

The BRS900-C is also designed with Beautyrest's T3 Pocketed Coil Technology, which delivers targeted support to the areas of your body that need it most. This California King mattress is also CertiPUR-US certified, ensuring that it is made with high-quality and safe materials.

Main Keywords: Beautyrest Silver BRS900-C, Extra Firm, California King Mattress, DualCool Technology, Beautyrest Gel Memory Foam, T3 Pocketed Coil Technology, CertiPUR-US certified

The Stearns & Foster Estate Rockwell Luxury Firm California King Mattress is a luxurious and supportive choice for those looking for a high-end mattress. It features a combination of PrimaCool Elite Gel Memory Foam and PrimaCool Performance Fabric, providing a cool and comfortable sleeping experience.

The luxury firm comfort level of this mattress is perfect for those who want a balance of support and cushioning. It also has a layer of Indulge Memory Foam, which conforms to your body for pressure relief and contouring.

The Estate Rockwell is also designed with Stearns & Foster's IntelliCoil technology, which adapts to your body shape and weight for personalized support. This California King mattress is also made with high-quality and sustainable materials, making it a long-lasting investment for your sleep health.

Main Keywords: Stearns & Foster Estate Rockwell, Luxury Firm, California King Mattress, PrimaCool Elite Gel Memory Foam, PrimaCool Performance Fabric, Indulge Memory Foam, IntelliCoil, Sustainable Materials

The Tempur-Pedic TEMPUR-ProAdapt Firm California King Mattress is a top-rated choice for those seeking a firm and comfortable mattress. It features Tempur-Pedic's exclusive TEMPUR-APR+ support layer, which provides pressure relief and adaptive support for a restful sleep.

The firm comfort level of this mattress is perfect for back and stomach sleepers, as it promotes proper spinal alignment. It also has a layer of TEMPUR-ES comfort material, which adapts to your body shape and weight for personalized comfort.

This California King mattress also comes with a SmartClimate Dual Cover System, which is cool to the touch and helps to dissipate heat for a comfortable sleep environment. It is also CertiPUR-US certified, ensuring that it is made without harmful chemicals and materials.

Main Keywords: Tempur-Pedic TEMPUR-ProAdapt, Firm, California King Mattress, TEMPUR-APR+ support layer, Pressure Relief, Spinal Alignment, TEMPUR-ES comfort material, SmartClimate Dual Cover System, CertiPUR-US certified

The Simmons Beautyrest Black L-Class Extra Firm California King Mattress is a premium option for those looking for a firm and supportive mattress. It features Beautyrest's exclusive T3 Pocketed Coil Technology, which delivers targeted support and reduces motion transfer for a more restful sleep.

The extra firm comfort level of this mattress is perfect for those who prefer a solid sleeping surface. It also has a layer of Beautyrest Gel Memory Foam, which provides pressure relief and contouring for enhanced comfort.

The L-Class Extra Firm is also designed with Beautyrest's BlackICE 4.0 technology, which helps to dissipate heat and keep you cool throughout the night. This California King mattress is also CertiPUR-US certified, ensuring that it is made without harmful chemicals and materials.

Main Keywords: Simmons Beautyrest Black L-Class, Extra Firm, California King Mattress, T3 Pocketed Coil Technology, Beautyrest Gel Memory Foam, BlackICE 4.0 technology, CertiPUR-US certified

The Sleep Number 360 c2 Smart Bed California King Mattress is a revolutionary option for those looking for a customizable and supportive sleep experience. It features Sleep Number's exclusive DualAir technology, which allows you to adjust the firmness and support of each side of the mattress separately.

The c2 model has a firm comfort level, making it ideal for those who prefer a solid sleeping surface. It also has a layer of PlushFit foam, which provides cushioning and contouring for added comfort.

This California King mattress also comes with Sleep Number's SleepIQ technology, which tracks your sleep and provides personalized insights for better sleep habits. It is also CertiPUR-US certified, ensuring that it is made with high-quality and safe materials.

Main Keywords: Sleep Number 360 c2, Smart Bed, California King Mattress, DualAir technology, Firm, PlushFit foam, SleepIQ technology, CertiPUR-US certified

The Purple Hybrid Premier Firm California King Mattress is a unique and comfortable option for those looking for a firmer feel. It features Purple's exclusive Hyper-Elastic Polymer material, which provides pressure relief and adaptive support for a comfortable sleep experience.

The firm comfort level of this mattress is perfect for those who want a solid sleeping surface. It also has a layer of individually wrapped coils, which provide targeted support to different areas of your body.

The Hybrid Premier Firm is also designed with Purple's Grid technology, which helps to dissipate heat and keep you cool while you sleep. This California King mattress is also CertiPUR-US certified, ensuring that it is made without harmful chemicals and materials.

Main Keywords: Purple Hybrid Premier, Firm, California King Mattress, Hyper-Elastic Polymer, Pressure Relief, Individually Wrapped Coils, Grid technology, CertiPUR-US certified

The Casper Wave Hybrid Firm California King Mattress is a top-rated option for those looking for a supportive and comfortable sleep experience. It features Casper's exclusive Zoned Support Pro system, which provides targeted support to different areas of your body for optimal spinal alignment.

The firm comfort level of this mattress is perfect for those who want a solid and supportive sleeping surface. It also has a layer of breathable foam, which helps to regulate temperature and keep you cool throughout the night.

The Wave Hybrid is also designed with Casper's exclusive Airscape technology, which allows for increased airflow and helps to dissipate heat for a comfortable sleep environment. This California King mattress is also CertiPUR-US certified, ensuring that it is made without harmful chemicals and materials.

Main Keywords: Casper Wave Hybrid, Firm, California King Mattress, Zoned Support Pro system, Spinal Alignment, Breathable foam, Airscape technology, CertiPUR-US certified

The Tuft & Needle Mint Mattress California King Firm is a budget-friendly option for those seeking a firm and comfortable mattress. It features Tuft & Needle's exclusive Adaptive Foam, which provides pressure relief and support for a restful sleep.

The firm comfort level of this mattress is perfect for those who prefer a solid sleeping surface. It also has a layer of graphite and ceramic gel, which helps to dissipate heat and keep you cool throughout the night.

The Mint Mattress is also designed with an antimicrobial cover, which helps to keep your sleep environment clean and fresh. This California King mattress is also CertiPUR-US certified, ensuring that it is made with high-quality and safe materials.

Main Keywords: Tuft & Needle Mint Mattress, Firm, California King, Adaptive Foam, Pressure Relief, Graphite and Ceramic Gel, Antimicrobial Cover, CertiPUR-US certified