Uncover 75+ Exquisite California King Firm Mattress With Adjustable Frame Trend Of The Year

If you're on the hunt for the perfect combination of comfort and support, look no further than the California King Firm Mattress with Adjustable Frame at Mattress Firm. This top-rated mattress and adjustable frame set is designed to give you the best sleep experience possible.

The California King Firm Mattress is expertly crafted with multiple layers of high-density foam and a firm support system to provide superior spinal alignment and pressure point relief. It also features cooling gel technology to regulate your body temperature while you sleep, ensuring a comfortable rest all night long.

The accompanying adjustable frame allows you to customize your sleeping position with the push of a button. Elevate your head and feet to your desired angle for optimal comfort, or use the anti-snore or zero-gravity preset positions for added benefits.

With the California King Firm Mattress with Adjustable Frame, you'll wake up feeling refreshed and rejuvenated every morning.

Experience the ultimate in firmness and support with the Serta iComfort CF4000 Firm Mattress with Adjustable Frame. This luxurious mattress is designed to provide a cool, comfortable, and supportive sleep experience for those who prefer a firmer feel.

The Serta iComfort CF4000 Firm Mattress features Carbon Fiber Memory Foam and EverCool® Fuze Gel Foam layers that work together to provide pressure point relief and temperature regulation. It also has a Max Cold™ Cover for an extra cool-to-the-touch sensation.

The adjustable frame included with this mattress allows you to customize your sleeping position with the head and foot articulation feature. You can also enjoy the massage and under-bed lighting features for added comfort and convenience.

Upgrade your sleep game with the Serta iComfort CF4000 Firm Mattress with Adjustable Frame.

For those who prefer an extra firm sleeping surface, the Beautyrest Black L-Class Extra Firm Mattress with Adjustable Base is the perfect choice. This mattress and adjustable base combination offers superior support and features advanced technology for a truly luxurious sleep experience.

The Beautyrest Black L-Class Extra Firm Mattress is constructed with BlackICE™ 4.0 Technology and T3 Pocketed Coil® Technology for temperature regulation and enhanced support. It also has RightTemp™ Memory Foam for added pressure relief and Micro Diamond™ Memory Foam for heat dissipation.

The adjustable base allows you to find your perfect sleeping position with head and foot elevation and lumbar support features. It also has USB charging ports and under-bed lighting for added convenience.

Get the ultimate in firm support and advanced technology with the Beautyrest Black L-Class Extra Firm Mattress with Adjustable Base.

The Sealy Posturepedic Hybrid Performance Copper II Firm Mattress with Adjustable Base is a top pick for those who need a firm sleeping surface with added support. This mattress and base set is designed to give you the best of both worlds with the right amount of comfort and firmness.

The Sealy Posturepedic Hybrid Performance Copper II Firm Mattress features a coil support system and gel-infused memory foam to provide full-body support and pressure relief. It also has moisture-wicking fabric to keep you cool and comfortable all night long.

The adjustable base allows you to find your perfect sleeping position with head and foot elevation and massage features. It also has zero-clearance design for a sleek and modern look.

Get the best of both worlds with the Sealy Posturepedic Hybrid Performance Copper II Firm Mattress with Adjustable Base.

Experience the unmatched comfort and support of the Tempur-Pedic ProAdapt Firm Mattress with Ergo Adjustable Base. This top-rated mattress and base set is designed to provide personalized support and pressure relief for a truly restful sleep.

The Tempur-Pedic ProAdapt Firm Mattress features Tempur-APR™ Support Layer and Tempur-ES Comfort Layer for advanced pressure relief and temperature control. It also has a SmartClimate® Dual Cover System for a cool and comfortable sleep surface.

The adjustable base allows you to customize your sleeping position with head and foot elevation, lumbar support, and massage features. It also includes a wireless remote for easy adjustments.

Upgrade to the ultimate in personalized support and comfort with the Tempur-Pedic ProAdapt Firm Mattress with Ergo Adjustable Base.

The Stearns & Foster Estate Rockwell Luxury Firm Mattress with Adjustable Base is a top choice for those who want a firm, yet plush, sleeping surface. This handcrafted mattress and adjustable base set is designed to provide exceptional comfort and support for a luxurious sleep experience.

The Stearns & Foster Estate Rockwell Luxury Firm Mattress is constructed with PrimaCool™ Performance Fabric and IntelliCoil® Advanced Coil System for cooling, breathability, and support. It also has PrimaSense™ Gel Foam and PrimaCool™ Elite Gel Memory Foam for added comfort and pressure relief.

The adjustable base allows you to customize your sleeping position with head and foot elevation and massage features. It also includes USB charging ports and under-bed lighting for added convenience.

Indulge in the ultimate luxury with the Stearns & Foster Estate Rockwell Luxury Firm Mattress with Adjustable Base.

The Sleep Number i8 Smart Bed with FlexFit 3 Adjustable Base is the perfect choice for those who want a firm mattress with customizable support. This innovative mattress and adjustable base set allows you to adjust your side of the bed to your desired firmness level for a truly personalized sleep experience.

The Sleep Number i8 Smart Bed features ComfortFit™ Foam and SleepIQ® Technology to provide pressure relief and real-time sleep tracking. It also has dual air chambers that allow you to adjust the firmness of your side of the bed.

The adjustable base includes head and foot elevation, massage, and under-bed lighting features. It also has wireless remote and voice control options for easy adjustments.

Experience the ultimate in personalized support and comfort with the Sleep Number i8 Smart Bed with FlexFit 3 Adjustable Base.

The Purple Hybrid Premier Firm Mattress with Purple PowerBase Adjustable Foundation is a top-rated choice for those who want a firm, yet pressure-relieving, mattress with advanced technology. This unique mattress and adjustable foundation set is designed to provide the perfect balance of support and comfort.

The Purple Hybrid Premier Firm Mattress features Purple Grid™ and Responsive Support Coils™ for pressure relief and motion isolation. It also has a Breathable Comfort Layer for a cool and comfortable sleep surface.

The adjustable foundation allows you to customize your sleeping position with head and foot elevation and massage features. It also has USB charging ports and under-bed lighting for added convenience.

Upgrade to the unique comfort and support of the Purple Hybrid Premier Firm Mattress with Purple PowerBase Adjustable Foundation.

The Avocado Green Mattress with Avocado Adjustable Bed Frame is a top pick for those who want a firm and eco-friendly sleeping surface. This organic mattress and adjustable bed frame set is designed to provide superior support and comfort while being environmentally conscious.

The Avocado Green Mattress is made with 100% GOLS organic certified latex and 100% GOTS organic certified cotton for hypoallergenic and breathable materials. It also has individually wrapped coils for targeted support and wool for added temperature regulation.

The adjustable bed frame allows you to customize your sleeping position with head and foot elevation, massage, and anti-snore features. It also has zero-clearance design for a sleek and modern look.

Sleep soundly knowing you've made an environmentally friendly choice with the Avocado Green Mattress with Avocado Adjustable Bed Frame.

The Saatva Classic Mattress with Lineal Adjustable Base is a top-rated choice for those who want a firm and luxurious sleeping experience. This handcrafted mattress and adjustable base set is designed to provide the perfect combination of support and comfort.

The Saatva Classic Mattress features coil-on-coil construction and high-quality materials for support, pressure relief, and durability. It also has a spinal zone for targeted support and organic cotton cover for a soft and breathable sleep surface.

The adjustable base allows you to find your perfect sleeping position with head and foot elevation, massage, and anti-snore features. It also has under-bed lighting and wireless remote for easy adjustments.

Indulge in the perfect balance of support and comfort with the Saatva Classic Mattress with Lineal Adjustable Base.