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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

    $469.99

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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 $729.99

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    Best Seller
    California King Firm 14" Gel/Foam Mattress - Slumber Solutions Gel Memory Foam | 84 H x 72 W 14 D in Wayfair 35602-03506-WF

    California King Firm 14" Gel/Foam Mattress - Slumber Solutions Gel Memory Foam | 84 H x 72 W 14 D in Wayfair 35602-03506-WF

    This 14” memory foam mattress brings style and support to your bedroom or guest room. This mattress features a moisture-wicking finish and a tight top with cooling gel memory foam, offering refreshing support wherever you need it. It provides a firm... more

    $2,625.99 $799.99

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    California King Firm 13.5" Foam Mattress - Ernest Hemingway Skylark Tight Top | 84 H x 72 W 13.5 D in Wayfair 627M-6C

    California King Firm 13.5" Foam Mattress - Ernest Hemingway Skylark Tight Top | 84 H x 72 W 13.5 D in Wayfair 627M-6C

    Enjoy endless possibilities for restful sleep on this Ultra Luxury firm mattress. You get the best of both worlds with this hybrid innerspring mattress: the pressure relief of cooling gel-infused memory foam, coupled with body contouring pocketed coils... more

    $2,750.00

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

    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

    $529.99 $499.99

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    California King Firm 10" Gel/Foam Mattress - Nora® by Wayfair Sleep Gel Infused Memory Foam | 84 H x 72 W 10 D in 77AE08399515433799261346E4ED4878

    California King Firm 10" Gel/Foam Mattress - Nora® by Wayfair Sleep Gel Infused Memory Foam | 84 H x 72 W 10 D in 77AE08399515433799261346E4ED4878

    This 10" 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. Three layers of gel and memory foam have a high firmness and a breathable design that helps keep you cool... more

    $649.99

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    California King Medium 10" Memory Foam Mattress - Wayfair Sleep™ | 84 H x 10 D in F4A8AF0A8AA34D54A9ABE7CEE4A264E4

    California King Medium 10" Memory Foam Mattress - Wayfair Sleep™ | 84 H x 10 D in F4A8AF0A8AA34D54A9ABE7CEE4A264E4

    This memory foam mattress updates your bed with support and a breathable feel all at once. It has a medium-firm feel made up of three layers: a high-density base foam, ventilated pressure relief foam, and a top layer of memory foam infused with green... more

    $389.99

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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 $669.99

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

    California King 12" Gel/Foam Mattress - Wayfair Sleep™ 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" gel memory foam option. Crafted using four layers of hypoallergenic gel memory foam with a tight top for a plush feel, this mattress is perfect for those who like to sink into... more

    $429.99

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    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 $295.99

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    California King Firm 12.5" Foam Mattress - Beautyrest Harmony Lux Anchor Island Tight Top | 83.5 H x 72 W 12.5 D in Wayfair 700811734-1070

    California King Firm 12.5" Foam Mattress - Beautyrest Harmony Lux Anchor Island Tight Top | 83.5 H x 72 W 12.5 D in Wayfair 700811734-1070

    Experience support for more than just your body with the Harmony Lux Collection. Innovative materials work harmoniously to bring you restorative sleep with improved support, advanced motion isolation, and a lush cover made from plastic bottles diverted... more

    $1,799.00

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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 $899.99

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    California King 12" Memory Foam Mattress - Wayfair Sleep™ Plush | 84 H x 72 W 12 D in 3672CF68D8194516A14DE3CD0C94A4D6

    California King 12" Memory Foam Mattress - Wayfair Sleep™ Plush | 84 H x 72 W 12 D in 3672CF68D8194516A14DE3CD0C94A4D6

    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. It's made from plush memory foam designed to mold to the shape of your body for a customized fit that... more

    $459.99 $345.99

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    California King Medium Firm 10" Foam Mattress - The Twillery Co.® Water-Resistant High Density Vinyl | 84 H x 72 W 10 D in Wayfair

    California King Medium Firm 10" Foam Mattress - The Twillery Co.® Water-Resistant High Density Vinyl | 84 H x 72 W 10 D in Wayfair

    This mattress is made from waterproof vinyl and memory foam, so it offers comfort while keeping sleepers comfortable and clean. It's 10'' thick with medium firmness and a tight top, blending support and padding - great for everyone, but especially back... more

    $745.94 $579.99

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    Firm 14.5" Foam Mattress - Stearns & Foster Tight Top Box Spring | 83 H x 72 W 14.5 D in Wayfair 43011832

    Firm 14.5" Foam Mattress - Stearns & Foster Tight Top Box Spring | 83 H x 72 W 14.5 D in Wayfair 43011832

    The Stearns & Foster Lux Hybrid Collection is a new era of comfortable, cool sleep, featuring our exclusive IntelliFlex Hybrid System, which combines memory foam and innerspring for all-night support and comfort that flexes to support every curve, plus... more

    $7,478.00

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    California King Firm 15" Foam Mattress - Beautyrest Black Series Three Tight Top Mattress, Latex | 83.5 H x 72 W 15 D in Wayfair 700812411-1070

    California King Firm 15" Foam Mattress - Beautyrest Black Series Three Tight Top Mattress, Latex | 83.5 H x 72 W 15 D in Wayfair 700812411-1070

    Experience the best of Beautyrest, featuring advanced temperature management technology, Micro Diamond Memory Foam, and advanced, Triple-Stranded Pocketed Coil Technology for conforming support and motion separation. Self-Response Latex offers a... more

    $4,299.00

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    California King Firm 14.5" Foam Mattress - Stearns & Foster Estate Tight Top | 83 H x 72 W 14.5 D in Wayfair 53008962

    California King Firm 14.5" Foam Mattress - Stearns & Foster Estate Tight Top | 83 H x 72 W 14.5 D in Wayfair 53008962

    Our Stearns & Foster Estate Collection takes comfort to the next level featuring our TEMPUR-Indulge Memory Foam for enhanced pressure relief and our exclusive IntelliCoil innersprings for added support—all night long. Mattress Size: California King |... more

    $2,999.00

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    California King Firm 14.5" Foam Mattress - Stearns & Foster Tight Top Box Spring | 83 H x 72 W 14.5 D in Wayfair 43011862

    California King Firm 14.5" Foam Mattress - Stearns & Foster Tight Top Box Spring | 83 H x 72 W 14.5 D in Wayfair 43011862

    The Stearns & Foster Lux Hybrid Collection is a new era of comfortable, cool sleep, featuring our exclusive IntelliFlex Hybrid System, which combines memory foam and innerspring for all-night support and comfort that flexes to support every curve, plus... more

    $4,679.00

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    California King Firm 13.5" Foam Mattress - Stearns & Foster Estate Ultra Tight Top | 83 H x 72 W 13.5 D in Wayfair 53051362

    California King Firm 13.5" Foam Mattress - Stearns & Foster Estate Ultra Tight Top | 83 H x 72 W 13.5 D in Wayfair 53051362

    Our Stearns & Foster Estate Collection takes comfort to the next level, featuring our TEMPUR-Indulge Memory Foam for enhanced pressure relief and our exclusive IntelliCoil innersprings for added support—all night long. Mattress Size: California King |... more

    $2,999.00

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    Extra Firm 13.5" Foam Mattress - Stearns & Foster Tight Top Box Spring | 83 H x 72 W 13.5 D in Wayfair 43051332

    Extra Firm 13.5" Foam Mattress - Stearns & Foster Tight Top Box Spring | 83 H x 72 W 13.5 D in Wayfair 43051332

    Our Stearns & Foster Estate Collection takes comfort to the next level featuring our TEMPUR-Indulge Memory Foam for enhanced pressure relief and our exclusive IntelliCoil innersprings for added support—all night long. Mattress Size: Split California... more

    $5,078.00

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    California King Extra Firm 13.5" Foam Mattress - Stearns & Foster Tight Top Box Spring | 83 H x 72 W 13.5 D in Wayfair 43051362

    California King Extra Firm 13.5" Foam Mattress - Stearns & Foster Tight Top Box Spring | 83 H x 72 W 13.5 D in Wayfair 43051362

    Our Stearns & Foster Estate Collection takes comfort to the next level featuring our TEMPUR-Indulge Memory Foam for enhanced pressure relief and our exclusive IntelliCoil innersprings for added support—all night long. Mattress Size: California King |... more

    $3,479.00

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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

    $489.99

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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 $1,169.99

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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 $1,469.99

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    California King Firm 11" Innerspring Mattress - Sealy Posturepedic Mill Park Ultra Tight Top & Box Spring Set | 84 H x 72 W 11 D in Wayfair

    California King Firm 11" Innerspring Mattress - Sealy Posturepedic Mill Park Ultra Tight Top & Box Spring Set | 84 H x 72 W 11 D in Wayfair

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

    $1,800.00 $1,449.99

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    California King Firm 11" Innerspring Mattress - Sealy Posturepedic Mill Park Ultra Tight Top | 84 H x 72 W 11 D in Wayfair 52952362

    California King Firm 11" Innerspring Mattress - Sealy Posturepedic Mill Park Ultra Tight Top | 84 H x 72 W 11 D in Wayfair 52952362

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

    $1,500.00 $1,159.99

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    California King Firm 11" Innerspring Mattress - Sealy Posturepedic Mill Park Ultra Tight Top & Box Spring Set | 84 H x 72 W 11 D in Wayfair

    California King Firm 11" Innerspring Mattress - Sealy Posturepedic Mill Park Ultra Tight Top & Box Spring Set | 84 H x 72 W 11 D in Wayfair

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

    $1,800.00 $1,449.99

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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 $1,469.99

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    California King 12" Innerspring Mattress - Wayfair Sleep™ Plush Mattress, Polyester | 84 H x 72 W 12 D in BBC39C43503B4932AAA6978786A72755

    California King 12" Innerspring Mattress - Wayfair Sleep™ Plush Mattress, Polyester | 84 H x 72 W 12 D in BBC39C43503B4932AAA6978786A72755

    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 memory foam and coils give it a plush feeling with a breathable, moisture-wicking design... more

    $489.99 $439.99

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

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

    This Wayfair Sleep 14" Medium Hybrid 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. Proudly made and designed in the USA, its layers of gel perfusion memory foam,... more

    $629.99

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

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

    This 12" thick hybrid mattress has a tight top and low-motion transfer, designed to let you stay asleep even if your partner tosses and turns. Multiple layers of memory foam have a medium firmness with a breathable design that helps keep you cool while... more

    $1,035.00 $679.99

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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 $579.99

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    More information about Mattresses & Boxsprings

    Best prices on Avenco memory foam 12 firm, 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.