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California King Medium 13" Hybrid Mattress - Luuf Cooling Comfort 13 Inch | 84 H x 72 W D in Wayfair EJQMMBA-1070

How does a medium bed get so supportive? Our Best Seller! The Cooling Comfort Medium Hybrid is the best choice in the battle between plush and firm; Enjoy the best of both worlds with a plush bed feel that also has firm support. This Luxury Firm... more

Millwood Pines 0.68-Inch Heavy Duty Mattress Support Wooden Bunkie Board/Slats Wood in Brown | 0.68 H x 72 W x 83 D in | Wayfair

The standard wooden slats provide an excellent surface foundation for any platform beds, bunks, and daybeds. It adds support to any mattress type and will keep the mattress stay in good shape thus extending the life of your mattress The wooden slats... more

California King 13" Hybrid Mattress - Luuf Cooling Comfort Plush 13 Inch | 84 H x 72 W D in Wayfair EJQXMIA-1070

How does a plush bed get so supportive? Our cooling comfort plush hybrid mattress was created for couples, side sleepers, and those seeking to ease hip, shoulder, and joint pain. This plush bed offers an ideal blend of soothing comfort, support, and... more

California King Medium 8" Gel/Foam Mattress - Homaapack Cal 8 Inch Cool Gel Waterfall Hybrid Mattress, Memory Foam Mattress- Feel | 84 H x 72 W D in Wayfair

We make beds for the whole family—because when you wake up feeling your best, your family gets the best version of you too. The Latex Hybrid Mattress will help you sleep cooler and enjoy greater body support from your bed. By combining supportive... more

California King Medium 14.5" Foam Mattress - Homaapack Euro Top | 84 H x 72 W 14.5 D in Wayfair WLY-B05165444

We make beds for the whole family—because when you wake up feeling your best, your family gets the best version of you too. The latex hybrid mattress will help you sleep cooler and enjoy more excellent body support from your bed. By combining... more

California King Medium 10" Hybrid Mattress - Avenco | 84 H x 72 W 10 D in Wayfair AHMS029-US0125-CLK

If a mattress that offers both customized support and comfort is on your list, look no further than this 10" Pocket Spring Hybrid Mattress, Medium Firm Bed in a Box. This Hybrid mattress offers luxury and superior comfort for a deep and restorative... more

Beautyrest Triton Foundation Wood in Brown | 9 H x 85 W x 76 D in | Wayfair 700810116-9970

This box spring offers support, durability, and reduced motion. When used with a proper supportive bed frame, it helps prevent sagging and bowing for the life of the mattress. Profile: Standard, Size: California King | Beautyrest Triton Foundation Wood... more

California King Medium 12" Mattress - SleepFresh Clean & Cool | 83 H x 71 W 12 D in Wayfair ELQZ5EA-1070

The SleepFresh Clean and Cool 12" Hybrid mattress was created for all sleeping positions to provide cooling, supportive, personalized comfort. This medium-firm bed is a balance of pressure relief and support while maintaining the hygiene of your sleep... more

Beautyrest Triton Foundation Wood in Brown | 4 H x 85 W x 76 D in | Wayfair 700810116-9870

This box spring offers support, durability, and reduced motion. When used with a proper supportive bed frame, it helps prevent sagging and bowing for the life of the mattress. Size: California King, Profile: Low | Beautyrest Triton Foundation Wood in... more

California King Medium 12" Hybrid Mattress - Avenco | 84 H x 72 W 12 D in Wayfair A-M02805-12-CLK

If a mattress that offers both customized support and comfort is on your list, look no further than this 12" Pocket Spring Hybrid Mattress, Medium Firm Bed in a Box. This Hybrid mattress offers luxury and superior comfort for a deep and restorative... more

Alwyn Home Varian Metal Box Spring Metal | California King, Standard Profile (9") | Wayfair 497088A5C5004D10B0F76C6E6ED60362

The foundation of your bed is important, and this easy-to-assemble metal box spring provides the ideal environment for peaceful sleep and beautiful dreams on your mattress. Made of metal for sturdiness, it comes with a standard steel box spring design... more

Alwyn Home Varian Metal Box Spring Metal | California King, Standard Profile (5") | Wayfair 74250BDAE0B3403EA1B5E6289D212941

The foundation of your bed is important, and this easy-to-assemble metal box spring provides the ideal environment for peaceful sleep and beautiful dreams on your mattress. Made of metal for sturdiness, it comes with a standard steel box spring design... more

Alwyn Home Varian Metal Box Spring Metal | Standard Profile (7.5"),California King | Wayfair 04606A68BB474D25BF844A15BF0966D4

The foundation of your bed is important, and this easy-to-assemble metal box spring provides the ideal environment for peaceful sleep and beautiful dreams on your mattress. Made of metal for sturdiness, it comes with a standard steel box spring design... more

California King 12" Foam Mattress - Beautyrest Silver In A Box | 73 H x 85 W 12 D in Wayfair 700810904-1070

Relax on the luxurious, pressure-relieving Micro Diamond Memory Foam, featuring actual diamond particles to help conduct heat away from your body. It is compatible with any platform bed, box spring, or adjustable base. Designed with DualCool... more

California King 10" Memory Foam Mattress - PerfectCloud Ultraplush | 84 H x 76 W 10 D in Wayfair PC-ULTRAPLUSH-CK

Treat yourself to the most comfortable mattress you'll ever sleep on! Our mattress meets the coveted Goldilocks standard of "just right." Just like a great hotel bed, nearly all sleepers will love it. Early testers described the sensation as... more

California King 13" Hybrid Mattress - Southerland Plush | 84 H x 72 W 13 D in Wayfair Z8BBS21PT17284

The hybrid utilizes along with enhanced premium comfort foams for superior support. These beds have been engineered to articulate on adjustable bases to customize your sleep experience. Mattress Size: California King | California King 13" Hybrid... more

California King Medium 12" Gel/Foam Mattress - Alwyn Home Tatum Two-Sided Gel Memory Foam & Box Spring | 12 H x 72 W 84 D in Wayfair

Whether you're responsible for purchasing beds for a hospital, nursing home, or personal care home, you need to choose bedding that will keep your patients or residents comfortable while ensuring that your institution remains clean and hygienic. Unlike... more

California King Firm 15" Hybrid Mattress - Alwyn Home Kyllian Two-Sided Mattress, Cotton | 84 H x 72 W 15 D in Wayfair

For well-built mattresses, there is no school like old school. We look to the traditional acts of true craftsmanship to build beds that last a lifetime. The Kyllian Series is built to last featuring a flippable, two-sided design with hand-tufting... more

California King Medium 15" Gel/Foam Mattress - Alwyn Home Tatum Two-Sided Gel Memory Foam & Box Spring | 15 H x 72 W 84 D in Wayfair

Whether you're responsible for purchasing beds for a hospital, nursing home, or personal care home, you need to choose bedding that will keep your patients or residents comfortable while ensuring that your institution remains clean and hygienic. Unlike... more

California King 15" Hybrid Mattress - Alwyn Home Kleon Two-Sided Plush Mattress, Cotton | 84 H x 72 W 15 D in Wayfair

For well-built mattresses, there is no school like Old School. We look to the traditional acts of true craftsmanship to build beds that last a LIFETIME. The Kleon Series is built to last featuring a flippable, two-sided design with hand-tufting... more

California King Medium 10" Hybrid Mattress - Ergo-Pedic Zencloud Infused in Brown | 84 H x 72 W 10 D Wayfair H10CBDPK84

REDEFINING THE SCIENCE OF SLEEP. Upgrade your current bed with the world’s first high-performance mattresses designed to promote health benefits beyond the mechanics of simple physical comfort. At Ergo-Pedic Sleep, we’ve developed our mattresses to be... more

California King Firm 10" Memory Foam Mattress - Ergo-Pedic Zencloud Original Infused Medium-Firm in Brown | 84 H x 72 W 10 D Wayfair F10CBDPK84

REDEFINING THE SCIENCE OF SLEEP. Upgrade your current beds with the world’s first high-performance mattresses designed to promote health benefits beyond the mechanics of simple physical comfort. At Ergo-Pedic Sleep, we’ve developed our mattresses to be... more

California King Medium 9.25" Foam Mattress - Purple | 80 H x 76 W 9.25 D in Wayfair 10-21-23960

The bed that started it all, the Purple Mattress features two inches of breathable GelFlex Grid to cradle pressure points like hips and shoulders while keeping the rest of your body fully aligned. When paired with a dual-layer comfort foam base, the... more

California King Medium 12" Memory Foam Mattress - Sleep Innovations Shiloh | 84 H x 72 W 12 D in Wayfair 3073850

Upgrade your bed with the Shiloh Mattress for head-to-toe comfort, while keeping your body properly aligned, fully supported, and at a comfortable temperature. The Shiloh Mattress features our most cloudlike memory foam technology to help you fall... more

California King Medium 14" Memory Foam Mattress - Sleep Innovations Shiloh | 84 H x 72 W 14 D in Wayfair 3073858

Upgrade your bed with the Shiloh Mattress for head-to-toe comfort, while keeping your body properly aligned, fully supported, and at a comfortable temperature. The Shiloh Mattress features our most cloudlike memory foam technology to help you fall... more

California King Medium 12" Memory Foam Mattress - Ergo-Pedic Zencloud Original Infused in Brown | 84 H x 72 W 12 D Wayfair F12CBDPK84

Redefining the science of sleep. Upgrade your current beds with the world’s first high-performance mattresses designed to promote health benefits beyond the mechanics of simple physical comfort. At ergo-pedic sleep, we’ve developed our mattresses to be... more

California King Medium 12" Hybrid Mattress - Ergo-Pedic Zencloud Infused Medium-Soft in Brown | 84 H x 72 W 12 D Wayfair H12CBDPK84

REDEFINING THE SCIENCE OF SLEEP. Upgrade your current beds with the world’s first high-performance mattresses designed to promote health benefits beyond the mechanics of simple physical comfort. At Ergo-Pedic Sleep, we’ve developed our mattresses to be... more

Alwyn Home Nazarene 9 Inch Metal Box Spring, Easy Assembly Metal | 9 H x 72 W x 84 D in | Wayfair 900E8D43B803449991805455A2A622EB

This boxspring is designed to provide excellent support under any mattress. We spend a lot of time picking out the right mattress. But they're not the only important part of your bed - you also need the right mattress foundations! Made of metal with a... more

California King Medium 12" Memory Foam Mattress - MLILY Charcoal | 84 H x 72 W 12 D in Wayfair HC-MU-12CK

The MLILY Dream 12-inch Memory Foam Mattress is the ultimate sleeping solution for anyone who wants to feel like a champion every time they go to bed. Designed in collaboration with Manchester United Football Club, this mattress is built to provide you... more

California King 12" Mattress - MaMa 12 | 84 H x 72 W D in Wayfair HHL-B123141298

Ultimate Comfort: The Bed is designed to provide perfect support to your mattress, enhancing its life and your comfort. Optimally spaced slats [if applicable] ensure adequate air circulation, improving your sleep quality. | California King 12" Mattress... more

California King 12" Hybrid Mattress - Beautyrest In A Box | 73 H x 85 W 12 D in Wayfair 700810903-1070

Relax on the luxurious, pressure-relieving Micro Diamond Memory Foam, featuring actual diamond particles to help conduct heat away from your body. The 12” Mattress is a great fit for anyone looking for a good night’s sleep! Works on any platform bed,... more

California King 12" Gel/Foam Mattress - Wayfair Sleep™ Plush Cooling Gel Memory Foam | 83 H x 71 W 12 D in C46989AFA3CC4D7DA96E3EC5D3AD0BA1

Get the sleep you deserve with a mattress that supports you, like this 12" memory foam option. Crafted using four layers of hypoallergenic memory foam with a tight top for a plush feel, this mattress is perfect for those who like to sink into their bed... more

California King Medium 4" Memory Foam Mattress - Alwyn Home Laya Topper w/ Fabric Cover & CertiPUR-US Certified | 84 H x 72 W 4 D in Wayfair

Introducing our luxurious Mattress Topper, featuring D40 gel memory foam, a refreshing white cooling fabric, gray knitted fabric on the sides towards the foot of the bed, diamond-embossed mesh fabric at the bottom, corner double-buttoned elastic... more

California King Medium Firm 14" Gel/Foam Mattress - Wayfair Sleep™ Plush Cooling Gel Memory Foam | 83 H x 71 W 14 D in

Put an end to tossing and turning all night: swap out your tired bed for this 14" memory foam mattress. Crafted using three layers of hypoallergenic memory foam with edge support and a tight top that lends it a medium-firm feel, this mattress is... more

California King Medium 12" Memory Foam Mattress - SUAYEA Hybrid in a Box | 12 D Wayfair A-SB12CK-1

After a long day, all you want to do is flop down in bed and snooze - we get it. That's where this 12" medium hybrid mattress from Suayea comes in. Crafted with both pocket coils and gel memory foam, it's perfect for giving you the best of both worlds... more

California King Medium 14" Gel/Foam Mattress - Zinus Charcoal Infused Gel Memory Foam | 72 H x 84 W 13 D in Wayfair SC-SWFM-13C

Outfit your bed with this Mattress, and the term “chill out” takes on a whole new meaning. With specially formulated gel foam that keeps you comfortably cool by eliminating excess body heat, this design works tirelessly so you can power down without... more

California King Firm 13" Foam Mattress - Brooklyn Bedding Pillow Top | 84 H x 72 W 13 D in Wayfair WS13PT67F-CK

Need a better night's rest? This pillow-top mattress is here to help you start on the right side of the bed. This mattress is crafted using pocket coil springs for a classic supportive feel, while the polyfoam-filled pillow top helps relieve pressure... more

California King 12" Memory Foam Mattress - Joss & Main Jansen Plush | 83 H x 71 W 12 D in Wayfair 26CEE07C7B2249AEB9373CEBC4391F5D

Indulge in the luxury of this plush tight-top California King Mattress. It's made from memory foam and has a support foam layer designed to keep you comfortable. Thanks to the low motion transfer, you and your bed partner can sleep without being... more