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    California King Medium 12" Hybrid Mattress - Sleep Innovations Shiloh | 12 D in Wayfair 3073013

    California King Medium 12" Hybrid Mattress - Sleep Innovations Shiloh | 12 D in Wayfair 3073013

    Sleep soundly and supported on our 12-inch, four-layer memory foam and innerspring Shiloh Hybrid Mattress. The combination of an innerspring coil system and cooling gel memory foam provides a balance of support and comfort. A cool-touch cover relaxes... more

    $569.99

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    Nivo Contemporary White 12-inch Cal King Innerspring Mattress by Furniture of America

    Nivo Contemporary White 12-inch Cal King Innerspring Mattress by Furniture of America

    This 12-inch Euro pillow top mattress features quilted white damask with inner spring coils for longevity. At a medium soft level, mattress will cradles with the needed support for a great night of sleep. more

    $974.49

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    Best Seller
    California King Firm 12" Innerspring Mattress - Kingsdown Prime Owington Cushion | 84 H x 72 W 12 D in Wayfair FG-36001-TT1-CKH

    California King Firm 12" Innerspring Mattress - Kingsdown Prime Owington Cushion | 84 H x 72 W 12 D in Wayfair FG-36001-TT1-CKH

    The Prime collection provides luxury sleep at an exceptional value. Featuring consistent, edge-to-edge support, the Prime Owington Cushion Firm features additional layers of comfort added just beneath the luxury cooling cover. The Cushion Firm medium... more

    $1,445.00 $1,242.00

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    California King Medium 10" Hybrid Mattress - Sleep Inc. Solutions | 83 H x 71 W in Wayfair S30510E-1070

    California King Medium 10" Hybrid Mattress - Sleep Inc. Solutions | 83 H x 71 W in Wayfair S30510E-1070

    Get total comfort at a cozy price with the SLEEPINC—10-inch Hybrid Mattress. SLEEP INC. Hybrid mattresses combine cradling memory foam with traditional innerspring for the ease of a memory foam mattress but with a livelier feel. Experience a great... more

    $855.00 $409.99

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    Signature Design Chime 12 Inch Hybrid California King Mattress in White - Ashley Furniture M69751

    Signature Design Chime 12 Inch Hybrid California King Mattress in White - Ashley Furniture M69751

    "Signature Design Chime 12 Inch Hybrid California King Mattress in White - Ashley Furniture M69751 Enjoy endless possibilities for restful sleep with this hybrid innerspring California king mattress. Pressure point relief is delivered via each of the... more

    $403.69

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    Sierra Sleep Chime 10 Inch Hybrid California King Mattress - Ashley Furniture M69651

    Sierra Sleep Chime 10 Inch Hybrid California King Mattress - Ashley Furniture M69651

    "Sierra Sleep Chime 10 Inch Hybrid California King Mattress - Ashley Furniture M69651 Enjoy endless possibilities for restful sleep with this hybrid innerspring California king mattress. You get the best of both worlds—the pressure relief of cooling... more

    $359.39

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    California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set | 84 H x 72 W 12.5 D in Wayfair

    California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set | 84 H x 72 W 12.5 D in Wayfair

    This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep you cool, and the... more

    $1,800.00 $1,339.99

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    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 | 84 H x 53 W 12 D in Wayfair 700810103-1070

    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 | 84 H x 53 W 12 D in Wayfair 700810103-1070

    Better you begin with a better night's sleep. The lasting resilience of Beauty rest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King | California King Medium 12" Innerspring Mattress - Beautyrest Silver... more

    $1,787.00 $799.99

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    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top | 84 H x 72 W 12 D in Wayfair 52950562

    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top | 84 H x 72 W 12 D in Wayfair 52950562

    Featuring trusted Sealy quality with targeted back and core support, a reinforced edge for increased durability, and an antibacterial soft knit cover that wicks away moisture and keeps the mattress protected. Medium Feel. Mattress Size: California King... more

    $1,300.00 $959.99

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    California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top | 84 H x 72 W 12.5 D in Wayfair 52952562

    California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top | 84 H x 72 W 12.5 D in Wayfair 52952562

    This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep you cool, and the... more

    $1,500.00 $1,069.99

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    California King Medium 12" Hybrid Mattress - Sealy Cool w/ CopperChill Technology in Brown | 84 H x 72 W 12 D Wayfair F03-00131-CK0

    California King Medium 12" Hybrid Mattress - Sealy Cool w/ CopperChill Technology in Brown | 84 H x 72 W 12 D Wayfair F03-00131-CK0

    Sealy was among the first to create the hybrid, pairing the best qualities of innerspring and memory foam mattresses to deliver best-of-both-worlds comfort. Carefully engineered coils adapt and support every part of your body, while specialty foams... more

    $1,199.00 $559.99

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    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 84 H x 72 W 12 D in Wayfair 700810103-9870

    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 84 H x 72 W 12 D in Wayfair 700810103-9870

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Box Spring Height: Low Profile (5"), Mattress Size: California King | California King Medium 12"... more

    $2,400.00 $1,100.00

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    California King Medium 12" Innerspring Mattress - Alwyn Home | 12",California Wayfair 3247FC0C5EDD4C47B17E74F92A3E2B14

    California King Medium 12" Innerspring Mattress - Alwyn Home | 12",California Wayfair 3247FC0C5EDD4C47B17E74F92A3E2B14

    If even and perfectly cushioned support strikes your fancy, then the foam and spring mattress is your ticket to many well-rested mornings to come. Featuring a fiber quilted cover, CertiPUR-US certified high-density, Viscolatex foams, and a base layer... more

    $441.80 $279.99

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    California King Medium 10" Innerspring Mattress - White Noise Tight Top Sofa Bed Box Sprin, Wood | King, Low Profile (4") Wayfair

    California King Medium 10" Innerspring Mattress - White Noise Tight Top Sofa Bed Box Sprin, Wood | King, Low Profile (4") Wayfair

    We are a proud manufacturer of the finest quality mattresses & box springs, with the highest standards in durability, quality, comfort, & beauty. All of our products are made to ensure that you get only the best! This item is part of our 225 comfort... more

    $1,129.99

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    California King Medium 12" Hybrid Mattress - Sleep Inc. Solutions | 83 H x 71 W 12 D in Wayfair S70512E-1070

    California King Medium 12" Hybrid Mattress - Sleep Inc. Solutions | 83 H x 71 W 12 D in Wayfair S70512E-1070

    Get total comfort at a cozy price with the Sleep Inc. Sleep Solutions 12" Hybrid Mattress. Sleep Inc. hybrid mattresses combine cradling cool gel memory foam with traditional innerspring to give you the support you are used to with the pressure relief... more

    $990.00 $459.99

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    California King Medium 13" Innerspring Mattress - Sealy Posturepedic Mill Road Faux Euro Top & Box Spring Set | 84 H x 72 W 13 D in Wayfair

    California King Medium 13" Innerspring Mattress - Sealy Posturepedic Mill Road Faux Euro Top & Box Spring Set | 84 H x 72 W 13 D in Wayfair

    An upgraded faux Euro top spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. Medium... more

    $1,780.00 $1,299.99

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    California King Medium 15" Innerspring Mattress - Beautyrest Silver BRS900 Pillow Top & Box Spring Set | 84 H x 76 W 14.75 D in Wayfair

    California King Medium 15" Innerspring Mattress - Beautyrest Silver BRS900 Pillow Top & Box Spring Set | 84 H x 76 W 14.75 D in Wayfair

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King, Box Spring Height: Low Profile (5") | California King Medium 15"... more

    $2,636.00 $1,260.00

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    California King Medium 15" Innerspring Mattress - Sealy Posturepedic Mill Park Pillow Top | 84 H x 72 W 15 D in Wayfair 52953562

    California King Medium 15" Innerspring Mattress - Sealy Posturepedic Mill Park Pillow Top | 84 H x 72 W 15 D in Wayfair 52953562

    This Euro Pillow Top mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep... more

    $1,640.00 $1,149.99

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    California King Medium 14.25" Innerspring Mattress - Beautyrest Black C-Class Pillow Top Mattress, Latex | 79.5 H x 83.5 W 14.25 D in Wayfair

    California King Medium 14.25" Innerspring Mattress - Beautyrest Black C-Class Pillow Top Mattress, Latex | 79.5 H x 83.5 W 14.25 D in Wayfair

    Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black C-Class 14.25" Medium Pillow Top Mattress offers up to 21% more support where your body needs it the most.* With help from... more

    $6,109.00 $4,699.00

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    California King 12" Innerspring Mattress - Beautyrest Silver BRS900 Plush & Box Spring Set | 75 H x 72 W 12 D in Wayfair 700810104-9870

    California King 12" Innerspring Mattress - Beautyrest Silver BRS900 Plush & Box Spring Set | 75 H x 72 W 12 D in Wayfair 700810104-9870

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Box Spring Height: Low Profile (5"), Mattress Size: California King | California King 12" Innerspring... more

    $2,400.00 $1,100.00

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    California King Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950862

    California King Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950862

    An upgraded spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. Firm feel. Mattress... more

    $1,720.00 $1,299.99

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    California King 12" Innerspring Mattress - Sealy Soft Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42951262

    California King 12" Innerspring Mattress - Sealy Soft Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42951262

    An upgraded spring mattress with motion-reducing encased coils targeted back and core support and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool and your mattress protected. Soft feel. Mattress... more

    $1,720.00 $1,279.99

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    California King Medium 16" Innerspring Mattress - Beautyrest Silver BRS900-C Pillow Top & Box Spring Set | 75 H x 83.5 W 16 D in Wayfair

    California King Medium 16" Innerspring Mattress - Beautyrest Silver BRS900-C Pillow Top & Box Spring Set | 75 H x 83.5 W 16 D in Wayfair

    Sleep on a Beautyrest Silver 16" medium pillow top mattress and box spring and wake up rejuvenated. The sophisticated design and intuitive technologies found help provide comfort, support, and pressure relief. Try it for yourself and you’ll see.... more

    $2,876.00 $1,279.99

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    California King Medium 14" Innerspring Mattress - Sealy Posturepedic Mill Road Pillow Top | 84 H x 72 W 14 D in Wayfair 52951962

    California King Medium 14" Innerspring Mattress - Sealy Posturepedic Mill Road Pillow Top | 84 H x 72 W 14 D in Wayfair 52951962

    An upgraded Euro Pillow Top spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected.... more

    $1,600.00 $1,119.99

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    California King Medium 14" Innerspring Mattress - Sealy Posturepedic Mill Road Pillow Top & Box Spring Set | 84 H x 72 W 14 D in Wayfair 42951962

    California King Medium 14" Innerspring Mattress - Sealy Posturepedic Mill Road Pillow Top & Box Spring Set | 84 H x 72 W 14 D in Wayfair 42951962

    An upgraded Euro Pillow Top spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected.... more

    $1,900.00 $1,399.99

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    California King Medium 10.5" Hybrid Mattress - Wayfair Sleep™ Sleep | 83 H x 71 W 10.5 D in 7C90D11A08CF4D47A2D045C5AFB57515

    California King Medium 10.5" Hybrid Mattress - Wayfair Sleep™ Sleep | 83 H x 71 W 10.5 D in 7C90D11A08CF4D47A2D045C5AFB57515

    Get the zzz's you need with this hybrid mattress. It features five layers including 10.5" of memory foam, high-density base foam, wrapped innerspring, plush poly foam, and a memory foam pillow top that helps relieve pressure and adds a little extra... more

    $753.93 $399.99

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    California King Medium 16" Innerspring Mattress - Beautyrest Silver BRS900-C Pillow Top & Box Spring Set | 75 H x 83.5 W 16 D in Wayfair

    California King Medium 16" Innerspring Mattress - Beautyrest Silver BRS900-C Pillow Top & Box Spring Set | 75 H x 83.5 W 16 D in Wayfair

    Sleep on a Beautyrest Silver 16" medium pillow top mattress and box spring and wake up rejuvenated. The sophisticated design and intuitive technologies found help provide comfort, support, and pressure relief. Try it for yourself and you’ll see.... more

    $2,876.00 $1,279.99

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    California King Medium 14.5" Innerspring Mattress - Beautyrest Silver BRS900-C | 84 H x 76 W 14.5 D in Wayfair 700810110-1070

    California King Medium 14.5" Innerspring Mattress - Beautyrest Silver BRS900-C | 84 H x 76 W 14.5 D in Wayfair 700810110-1070

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake every day for years to come. Mattress Size: California King | California King Medium 14.5" Innerspring Mattress - Beautyrest Silver... more

    $2,158.00 $879.99

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    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 84 H x 72 W 12 D in Wayfair 700810103-9970

    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 84 H x 72 W 12 D in Wayfair 700810103-9970

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King, Box Spring Height: Standard Profile (9") | California King Medium 12"... more

    $2,400.00 $1,100.00

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    California King Medium 13.75" Innerspring Mattress - Beautyrest Black C-Class Mattress, Latex | 79.5 H x 83.5 W 13.75 D in Wayfair 700811476-1070

    California King Medium 13.75" Innerspring Mattress - Beautyrest Black C-Class Mattress, Latex | 79.5 H x 83.5 W 13.75 D in Wayfair 700811476-1070

    Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black C-Class 13.75" Medium Mattress offers up to 21% more support where your body needs it the most. With help from our new... more

    $5,589.00 $4,299.00

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    California King Extra Firm 12" Innerspring Mattress - Sealy Posturepedic Plus firm | 84 H x 72 W 12 D in Wayfair 52728362

    California King Extra Firm 12" Innerspring Mattress - Sealy Posturepedic Plus firm | 84 H x 72 W 12 D in Wayfair 52728362

    We believe a better quality mattress leads to better quality sleep and a better quality of life. This ultra-firm, cooling mattress delivers a breakthrough in pressure-relieving comfort. Sleep better on this mattress. Mattress Size: California King |... more

    $1,899.00 $1,179.99

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    California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 | 12 D in Wayfair 700810102-1070

    California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 | 12 D in Wayfair 700810102-1070

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King | California King Extra Firm 12" Innerspring Mattress - Beautyrest... more

    $1,682.00 $729.99

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    California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 80 H x 76 W 12 D in Wayfair 700810102-9970

    California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 80 H x 76 W 12 D in Wayfair 700810102-9970

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Box Spring Height: Standard Profile (9"), Mattress Size: California King | California King Extra Firm... more

    $2,295.00 $1,120.00

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    California King Firm 12" Innerspring Mattress - Kingsdown Prime Owington | 84 H x 72 W 12 D in Wayfair FG-36000-TT1-CKH

    California King Firm 12" Innerspring Mattress - Kingsdown Prime Owington | 84 H x 72 W 12 D in Wayfair FG-36000-TT1-CKH

    The Prime collection provides luxury sleep at an exceptional value. Featuring consistent, edge-to-edge support with a luxury cooling cover, this firm is assured to transform your nights into great days. For those preferring stronger support while... more

    $1,483.00 $1,242.00

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    California King 12" Hybrid Mattress - Signature Design by Ashley Chime Ultra Plush | 12 D in Wayfair M69751

    California King 12" Hybrid Mattress - Signature Design by Ashley Chime Ultra Plush | 12 D in Wayfair M69751

    Enjoy endless possibilities for restful sleep with this hybrid innerspring mattress. High-density foam provides the firmness you love. Gel memory foam provides restorative support for your lower back. Hypoallergenic material is ideal for sufferers of... more

    $635.99 $529.99

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    California King Medium 15" Innerspring Mattress - Beautyrest Silver BRS900 Pillow Top & Box Spring Set | 84 H x 76 W 14.75 D in Wayfair

    California King Medium 15" Innerspring Mattress - Beautyrest Silver BRS900 Pillow Top & Box Spring Set | 84 H x 76 W 14.75 D in Wayfair

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King, Box Spring Height: Standard Profile (9") | California King Medium 15"... more

    $2,636.00 $1,260.00

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    California King Medium 14.5" Innerspring Mattress - Beautyrest Silver BRS900-C & Box Spring Set | 80 H x 60 W 14.5 D in Wayfair 700810110-9870

    California King Medium 14.5" Innerspring Mattress - Beautyrest Silver BRS900-C & Box Spring Set | 80 H x 60 W 14.5 D in Wayfair 700810110-9870

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake every day for years to come. Box Spring Height: Low Profile (5"), Mattress Size: California King | California King Medium 14.5"... more

    $2,771.00 $1,230.00

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    California King Medium 10" Foam Mattress - Alwyn Home Kinley 10in Tight Top Pocket Coil | 84 H x 76 W 10 D in Wayfair

    California King Medium 10" Foam Mattress - Alwyn Home Kinley 10in Tight Top Pocket Coil | 84 H x 76 W 10 D in Wayfair

    "Get the refreshing sleep you deserve with the Alwyn Home Jeri 10"Medium Innerspring Mattress. Covered in a luxurious stretch knit fabric, this tight top mattress offers modern tufting to ensure a firmer, uniform sleep surface with maximum support. The... more

    $824.00 $699.99

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    California King Medium 14.25" Innerspring Mattress - Beautyrest Black L-Class Pillow Top | 79.5 H x 83.5 W 14.25 D in Wayfair 700811473-1070

    California King Medium 14.25" Innerspring Mattress - Beautyrest Black L-Class Pillow Top | 79.5 H x 83.5 W 14.25 D in Wayfair 700811473-1070

    Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black L-Class 14.25" Medium Pillow Top Mattress offers up to 21% more support where your body needs it the most.* With help from... more

    $5,069.00 $3,899.00

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    California King Medium 15" Innerspring Mattress - Beautyrest Silver BRS900 Pillow Top | 75 H x 76 W 15 D in Wayfair 700810107-1070

    California King Medium 15" Innerspring Mattress - Beautyrest Silver BRS900 Pillow Top | 75 H x 76 W 15 D in Wayfair 700810107-1070

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King | California King Medium 15" Innerspring Mattress - Beautyrest Silver... more

    $2,023.00 $949.99

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    More information about Mattresses & Boxsprings

    Best prices on King mattress 12 inch medium, Innerspring, California King in Mattresses & Boxsprings online. Visit Bizrate to find the best deals on top brands. Read reviews on Home & Garden merchants and buy with confidence.