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    Best Seller
    California King Medium Firm 12" Foam Mattress - Wayfair Sleep™ Sleep 12 Inch Pocket Spring w/ CertiPUR-US Certified Layer, Hybrid | 84 H x 72 W D in

    California King Medium Firm 12" Foam Mattress - Wayfair Sleep™ Sleep 12 Inch Pocket Spring w/ CertiPUR-US Certified Layer, Hybrid | 84 H x 72 W D in

    This 12" mattress has a tight top and low motion transfer, so it's designed to let you stay asleep, even if your partner tosses and turns. Its layers of memory foam have a medium firmness, a breathable design, and moisture-wicking properties to help... more

    $352.77 $269.99

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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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    Best Seller
    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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    Comfort Series California King Medium Gel Memory Foam Tight Top 10 Inch Mattress

    Comfort Series California King Medium Gel Memory Foam Tight Top 10 Inch Mattress

    Description Comfort Series Mattress is as luxurious as it is conforming. This mattress features low transfer motion and contours to your body to provide maximum comfort, while helping alleviate joint and muscle pain. more

    $849.49

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    California King Medium 12" Memory Foam Mattress - Wayfair Sleep™ | 84 H x 72 W 12 D in 3ED3E35F83E54C2DBEE33F00DB5156EC

    California King Medium 12" Memory Foam Mattress - Wayfair Sleep™ | 84 H x 72 W 12 D in 3ED3E35F83E54C2DBEE33F00DB5156EC

    Whether you're settling in for an afternoon nap or drifting off for a good night's rest, this mattress is here to help you get the sleep you need. Crafted from layers of memory foam, it features medium firmness and a breathable design to help keep you... more

    $474.99 $389.99

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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 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" 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 Firm 5" Foam Mattress - Alwyn Home 5-Inch Medium Tight top High Density Rolled for RV, Cot, Folding Bed & Daybed | 84 H x 72 W 5 D in Wayfair

    California King Firm 5" Foam Mattress - Alwyn Home 5-Inch Medium Tight top High Density Rolled for RV, Cot, Folding Bed & Daybed | 84 H x 72 W 5 D in Wayfair

    A firm mattress with high-density foam comfort and pressure-relieving support for a better night's sleep. A foam mattress has a quilted cover for added comfort. Compressed, rolled, and shipped in a box for a simple setup, it easily fits through narrow... more

    $945.79 $389.99

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    California King Firm 12" Innerspring Mattress - Serta Azure Bay | 84 H x 72 W 12 D in Wayfair 500703511-1070

    California King Firm 12" Innerspring Mattress - Serta Azure Bay | 84 H x 72 W 12 D in Wayfair 500703511-1070

    There is nothing better than waking up after an entire night of supported and comfortable sleep. That's why we've introduced our Azure Bay 12" Innerspring Firm Tight Top mattress to the world! We've added CoolTwist Gel Foam to promote breathable... more

    $1,103.70 $769.99

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    California King Medium 10" Hybrid Mattress - Nora® by Wayfair Sleep Nora Cooling Mattress, Polyester | 71 H x 83 W 12 D in

    California King Medium 10" Hybrid Mattress - Nora® by Wayfair Sleep Nora Cooling Mattress, Polyester | 71 H x 83 W 12 D in

    This 10" thick hybrid mattress has a tight top and low motion transfer, designed to let you stay asleep even if your partner tosses and turns. Six layers of memory foam have a high firmness with a breathable design that helps keep you cool while... more

    $1,236.00 $479.99

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    California King Medium 12" Gel/Foam Mattress - Nora® by Wayfair Sleep Nora Gel Memory Foam w/ Icy Cool Cover | 84 H x 72 W 12 D in

    California King Medium 12" Gel/Foam Mattress - Nora® by Wayfair Sleep Nora Gel Memory Foam w/ Icy Cool Cover | 84 H x 72 W 12 D in

    This 12" thick mattress has a tight top and low motion transfer, so it's designed to let you stay asleep, even if your partner tosses and turns. Four layers of gel and memory foam have a medium firmness and a breathable design that helps to keep you... more

    $859.00 $609.99

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    California King Medium 12" Hybrid Mattress - Wayfair Sleep™ | 84 H x 72 W 12 D in 88B53958056742399EA674DE8C70DADE

    California King Medium 12" Hybrid Mattress - Wayfair Sleep™ | 84 H x 72 W 12 D in 88B53958056742399EA674DE8C70DADE

    This 12" mattress has a tight top and low motion transfer, so it's designed to let you stay asleep, even if your partner tosses and turns. Its layers of gel memory foam have a medium firmness, a breathable design, and moisture-wicking properties to... more

    $549.99

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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

    FREE shipping

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    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950562

    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950562

    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... more

    $1,600.00 $1,219.99

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    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950662

    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950662

    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. Box Spring Height: 5, Mattress... more

    $1,600.00 $1,219.99

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    California King 12" Innerspring Mattress - Sealy Posturepedic Mill Road Soft Tight Top | 84 H x 72 W 12 D in Wayfair 52951162

    California King 12" Innerspring Mattress - Sealy Posturepedic Mill Road Soft Tight Top | 84 H x 72 W 12 D in Wayfair 52951162

    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

    $1,420.00 $1,019.99

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    California King Firm 12" Gel/Foam Mattress - Slumber Solutions Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 35602-03491-WF

    California King Firm 12" Gel/Foam Mattress - Slumber Solutions Gel Memory Foam | 84 H x 72 W 12 D in Wayfair 35602-03491-WF

    This firm mattress features a tight top and low-motion transfer, so it's designed to keep you asleep even if your partner tosses and turns. It has a breathable structure with a base layer, a comfort foam layer, and a gel memory foam layer. This 12"... more

    $2,365.99 $599.99

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    California King Medium 12" Gel Mattress - BRN Serenity Tight-Top Cooling Memory Edge Support Pocket Spring Premium Hybrid | 84 H x 72 W 12 D in Wayfair

    California King Medium 12" Gel Mattress - BRN Serenity Tight-Top Cooling Memory Edge Support Pocket Spring Premium Hybrid | 84 H x 72 W 12 D in Wayfair

    Experience the comfort of our tight-top hybrid mattress, featuring thoughtfully stitched, high-quality knitted fabric for a luxurious sleep immersion and a soft tactile experience. The body-responsive gel memory foam delicately contours to your unique... more

    $499.99 $369.99

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

    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

    $1,540.00 $1,440.00

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

    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

    $459.99 $369.99

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    California King 12" Mattress - Ernest Hemingway Plush Tight Top | 84 H x 72 W 12 D in Wayfair 652M-6C

    California King 12" Mattress - Ernest Hemingway Plush Tight Top | 84 H x 72 W 12 D in Wayfair 652M-6C

    Elevate your sleep to a luxurious reward night after night. As a part of our most sophisticated Ernest Hemmingway series, the Artisan collection offers up the most support where your body needs it the most. With help from all-natural materials, this... more

    $6,429.00

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    California King Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top | 84 H x 72 W 12 D in Wayfair 52950762

    California King Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top | 84 H x 72 W 12 D in Wayfair 52950762

    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

    $1,420.00 $1,019.99

    FREE shipping

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    California King Firm 7" Foam Mattress - Alwyn Home 7-Inch Medium Tight top High Density Rolled | 84 H x 72 W 7 D in Wayfair

    California King Firm 7" Foam Mattress - Alwyn Home 7-Inch Medium Tight top High Density Rolled | 84 H x 72 W 7 D in Wayfair

    A firm mattress with high-density foam comfort and pressure-relieving support for a better night's sleep. A foam mattress has a quilted cover for added comfort. Compressed, rolled, and shipped in a box for simple setup, easily fits through narrow... more

    $1,124.02 $439.99

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    California King Medium 9" Foam Mattress - BRN 8 Inch Tight-Top Hybrid Aloe Vera Encased Pocket Coil | 84 H x 72 W 9 D in Wayfair GOEXCK

    California King Medium 9" Foam Mattress - BRN 8 Inch Tight-Top Hybrid Aloe Vera Encased Pocket Coil | 84 H x 72 W 9 D in Wayfair GOEXCK

    Experience superior comfort and support with our premium mattress, featuring a built-in high-quality individual pocket spring and spring back foam system. This innovative design not only offers excellent body support but also effectively absorbs... more

    $429.99 $299.99

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    California King Firm 10" Foam Mattress - Alwyn Home 10-Inch Medium Tight top High Density Rolled | 10 H x 76 W D in Wayfair

    California King Firm 10" Foam Mattress - Alwyn Home 10-Inch Medium Tight top High Density Rolled | 10 H x 76 W D in Wayfair

    A firm mattress with high-density foam comfort and pressure-relieving support for a better night's sleep. A foam mattress has a quilted cover for added comfort. Compressed, rolled, and shipped in a box for simple setup, easily fits through narrow... more

    $1,398.58 $569.99

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    More information about Mattresses & Boxsprings

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