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    King Medium 12" Gel/Foam Mattress - Novilla Gel Memory Foam Sofa Bed | 80 H x 76 W 12 D in Wayfair WFN-010M29-12-K

    King Medium 12" Gel/Foam Mattress - Novilla Gel Memory Foam Sofa Bed | 80 H x 76 W 12 D in Wayfair WFN-010M29-12-K

    Tired of restless nights and overheating? You can try this novella 12-inch Gel Memory Foam Mattress. With its breathable and cooling Gel memory foam layer and Bamboo Charcoal Memory Foam, this mattress is designed to regulate temperature and moisture,... more

    $766.86 $349.99

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    King Medium 12" Hybrid Mattress - Arsuite Yvaine | 80 W x 76 D in Wayfair D42E6E5E808D4980A3D9F942C54B1493

    King Medium 12" Hybrid Mattress - Arsuite Yvaine | 80 W x 76 D in Wayfair D42E6E5E808D4980A3D9F942C54B1493

    Did you know we spend 1/3 of our lives sleeping?! Everyone deserves a good nights sleep and this super comfortable 12 inch Medium Firm Pillow Top Hybrid Mattress In A Box in King Size is here to help. The 12 inch Medium Firm Pillow Top Hybrid Mattress... more

    $1,969.54 $1,839.99

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    Best Seller
    Full Medium 12" Hybrid Mattress - Arsuite Yvaine | 54 W x 75 D in Wayfair 56668010799C42E18C30B0D61E6DD9A7

    Full Medium 12" Hybrid Mattress - Arsuite Yvaine | 54 W x 75 D in Wayfair 56668010799C42E18C30B0D61E6DD9A7

    Did you know we spend 1/3 of our lives sleeping?! Everyone deserves a good nights sleep and this super comfortable 12 inch Medium Firm Pillow Top Hybrid Mattress In A Box in King Size is here to help. The 12 inch Medium Firm Pillow Top Hybrid Mattress... more

    $1,599.78 $1,499.99

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    Ashley Sleep Chime 12 Inch Memory Foam King Mattress - Ashley Furniture M72741

    Ashley Sleep Chime 12 Inch Memory Foam King Mattress - Ashley Furniture M72741

    "Ashley Sleep Chime 12 Inch Memory Foam King Mattress - Ashley Furniture M72741 When it comes to your comfort, discover the Ashley-Sleep® 12-inch king mattress. Its thick layer of memory foam contours to your body delivering amazing support, pressure... more

    $399.99

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    Ashley Sleep Chime 12 Inch Hybrid King Mattress - Ashley Furniture M69741

    Ashley Sleep Chime 12 Inch Hybrid King Mattress - Ashley Furniture M69741

    " Ashley Sleep Chime 12 Inch Hybrid King Mattress - Ashley Furniture M69741 Enjoy endless possibilities for restful sleep with this hybrid innerspring king mattress. Feel the support of a truly traditional coil mattress which contours to your body for... more

    $432.89

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    Signature Design 12 Inch Ashley Hybrid King Mattress in Gray - Ashley Furniture M62841

    Signature Design 12 Inch Ashley Hybrid King Mattress in Gray - Ashley Furniture M62841

    "Signature Design 12 Inch Ashley Hybrid King Mattress in Gray - Ashley Furniture M62841 Why just sleep when you can Sierra Sleep? With the Sierra Sleep® Hybrid 1200 king mattress, you have endless possibilities for restful sleep. Feel the support of a... more

    $679.69

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    Full Medium 12" Hybrid Mattress - Arsuite Yvaine | 54 W x 75 D in Wayfair 56668010799C42E18C30B0D61E6DD9A7

    Full Medium 12" Hybrid Mattress - Arsuite Yvaine | 54 W x 75 D in Wayfair 56668010799C42E18C30B0D61E6DD9A7

    Did you know we spend 1/3 of our lives sleeping?! Everyone deserves a good nights sleep and this super comfortable 12 inch Medium Firm Pillow Top Hybrid Mattress In A Box in King Size is here to help. The 12 inch Medium Firm Pillow Top Hybrid Mattress... more

    $1,599.78 $1,499.99

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    King Medium 12" Hybrid Mattress - Wayfair Sleep™ Pillow Top | 79 H x 75 W 12 D in FC66CC456E034896A0991B6D9E056D14

    King Medium 12" Hybrid Mattress - Wayfair Sleep™ Pillow Top | 79 H x 75 W 12 D in FC66CC456E034896A0991B6D9E056D14

    Sometimes all you want to do at the end of a long day is flop down in bed and snooze - we get it. That's what this 12" medium hybrid mattress is here to help you do: Crafted with both pocket coils and gel memory foam, it's perfect for giving you the... more

    $899.00 $499.99

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    King Medium 9" Hybrid Mattress - Wayfair Sleep™ Sleep | 79 H x 75 W 9 D in A44E600CDCA7444F90030EBA09D36170

    King Medium 9" Hybrid Mattress - Wayfair Sleep™ Sleep | 79 H x 75 W 9 D in A44E600CDCA7444F90030EBA09D36170

    You deserve a good night's sleep, which means getting a mattress that suits your needs! This hybrid mattress combines two leading sleep technologies into one design, so it tackles everything you're looking for in a bed. The wrapped coil base gives this... more

    $664.14 $379.99

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    King Firm 12" Hybrid Mattress - Signature Design by Ashley | 80 H x 72 W 12 D in Wayfair M62841

    King Firm 12" Hybrid Mattress - Signature Design by Ashley | 80 H x 72 W 12 D in Wayfair M62841

    With this hybrid queen mattress, you have endless possibilities for restful sleep. Feel the support of a truly traditional coil mattress that contours to your body for a comforting feel. High-density foam provides the firmness you love. Gel memory foam... more

    $1,503.96 $879.99

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    King Firm 12" Hybrid Mattress - Signature Design by Ashley | 80 H x 72 W 12 D in Wayfair M62841

    King Firm 12" Hybrid Mattress - Signature Design by Ashley | 80 H x 72 W 12 D in Wayfair M62841

    With this hybrid queen mattress, you have endless possibilities for restful sleep. Feel the support of a truly traditional coil mattress that contours to your body for a comforting feel. High-density foam provides the firmness you love. Gel memory foam... more

    $1,503.96 $879.99

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    King Firm 12" Memory Foam Mattress - Signature Design by Ashley Chime | 79 H x 75 W 12 D in Wayfair M72741

    King Firm 12" Memory Foam Mattress - Signature Design by Ashley Chime | 79 H x 75 W 12 D in Wayfair M72741

    When it comes to your comfort, chime in for this Signature Design by Ashley Chime Firm Memory Foam Mattress. Its foam contours to your body delivering amazing support, pressure relief, and comfort. The thick memory foam layer is supported by a super... more

    $647.99 $499.99

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    King Medium 14" Hybrid Mattress - Wayfair Sleep™ Sleep | 79 H x 75 W 14 D in 4EC1979AA09D42FEA53F4B6D7693101E

    King Medium 14" Hybrid Mattress - Wayfair Sleep™ Sleep | 79 H x 75 W 14 D in 4EC1979AA09D42FEA53F4B6D7693101E

    Set the stage for a good night’s sleep with this 14” medium plush hybrid mattress with edge support. It is crafted using a six-layer combination of pocket coils and gel memory foam and features a medium firmness with low motion transfer - so your... more

    $999.00 $469.99

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    King 12" Gel Mattress - Wayfair Sleep™ Plush Cooling Hybrid | 80 H x 76 W 12 D in WFSL1041 34538122

    King 12" Gel Mattress - Wayfair Sleep™ Plush Cooling Hybrid | 80 H x 76 W 12 D in WFSL1041 34538122

    Dreaming of better rest? This 12'' hybrid mattress is here to help you get the sleep you deserve. Combining the best of innerspring and memory foam mattresses, this Wayfair Sleep™ 12" Medium Plush Hybrid Mattress pairs a pocket coil base with layers of... more

    $466.46 $429.99

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    King 12" Gel/Foam Mattress - Wayfair Sleep™ Sleep Plush Cooling Gel Memory Foam | 79 H x 75 W 12 D in 9DF7F2871FEE48D9B879AE40D7A985C3

    King 12" Gel/Foam Mattress - Wayfair Sleep™ Sleep Plush Cooling Gel Memory Foam | 79 H x 75 W 12 D in 9DF7F2871FEE48D9B879AE40D7A985C3

    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

    $439.99

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    King Firm 12" Foam Mattress - The Twillery Co.® Marcela Hybrid Cooling Fast Responding Latex & Coil in Brown | 80 H x 76 W 12 D Wayfair

    King Firm 12" Foam Mattress - The Twillery Co.® Marcela Hybrid Cooling Fast Responding Latex & Coil in Brown | 80 H x 76 W 12 D Wayfair

    Experience ultimate comfort on the Marcela 12" Hybrid Mattress. The 6 layer craftsmanship features a breathable, cooling Blue Ice Yarn knit cover, Cooling Copper Infused Memory Air Foam, fast-responding, hypoallergenic Talalay Latex Foam, high-density... more

    $2,399.00 $1,089.99

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    Queen Medium 12" Hybrid Mattress - Alahomora Madisonburg King Mattress, Bamboo | 80 H x 60 W 12 D in Wayfair AMD730KJ

    Queen Medium 12" Hybrid Mattress - Alahomora Madisonburg King Mattress, Bamboo | 80 H x 60 W 12 D in Wayfair AMD730KJ

    Features:HYBRID COOLING PLUSH BAMBOO CHARCOAL MEMORY FOAM: Our latest breakthrough in hybrid technology combines the cooling power of infused memory foam and advanced cooling fabrics with the individualized support of our AmstarAdaptive Pocket Coil... more

    $1,099.99

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    King Medium 12" Hybrid Mattress - Alahomora Madisonville Mattress, Bamboo | 80 H x 76 W 12 D in Wayfair AMD730M8

    King Medium 12" Hybrid Mattress - Alahomora Madisonville Mattress, Bamboo | 80 H x 76 W 12 D in Wayfair AMD730M8

    Features:HYBRID COOLING PLUSH BAMBOO CHARCOAL MEMORY FOAM: Our latest breakthrough in hybrid technology combines the cooling power of infused memory foam and advanced cooling fabrics with the individualized support of our AmstarAdaptive Pocket Coil... more

    $1,419.99

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    King Medium Firm 10" Gel/Foam Mattress - Alwyn Home Usry 10"&12" Mattress, Gel Memory Foam Hybrid in a Box | 12" Wayfair

    King Medium Firm 10" Gel/Foam Mattress - Alwyn Home Usry 10"&12" Mattress, Gel Memory Foam Hybrid in a Box | 12" Wayfair

    Our mattress is designed with the hybrid construction of individual pocket springs, top-quality high-density memory foam, and soft knit fabric, creating a comfortable cushion medium-firm feel. Not too hard, not too soft, just the right mattress to... more

    $333.99

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    King Firm 10" Memory Foam Mattress - Signature Design by Ashley Chime 10 Inch Medium Firmness Mattress, | 79.5 H x 76 W D in Wayfair M69941

    King Firm 10" Memory Foam Mattress - Signature Design by Ashley Chime 10 Inch Medium Firmness Mattress, | 79.5 H x 76 W D in Wayfair M69941

    Why worry when you can chime? With the Sierra Sleep Chime Express twin mattress, you have endless possibilities for restful sleep. Soothing memory foam contours to your body, while a thick layer of firm support foam provides plentiful support and... more

    $683.93 $529.99

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    King Firm 12" Mattress - Spinal Solution 12-Inch Dual Comfort & Soft w/ Pocket Coil Springs, Split Level | 80 H x 76 W 12 D in Wayfair 9065-6/6-1

    King Firm 12" Mattress - Spinal Solution 12-Inch Dual Comfort & Soft w/ Pocket Coil Springs, Split Level | 80 H x 76 W 12 D in Wayfair 9065-6/6-1

    Customizable Comfort, Targeted Support, and Versatility in One : Indulge in the ultimate sleep innovation with our Dual-Comfort Mattress, a masterful blend of customization, targeted support, and versatility. This innovative mattress offers you and... more

    $1,191.20 $989.99

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    King Medium 12" Gel/Foam Mattress - Alwyn Home Prana Charcoal Infused Gel Memory Foam | 80 H x 76 W 12 D in Wayfair

    King Medium 12" Gel/Foam Mattress - Alwyn Home Prana Charcoal Infused Gel Memory Foam | 80 H x 76 W 12 D in Wayfair

    This innovative blend combines the supportive qualities of memory foam with the natural benefits of bamboo charcoal, promoting a cool and restful sleep. Crafted with hypoallergenic materials, it's a perfect choice for those with allergies, ensuring a... more

    $619.99

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    King Medium 12" Hybrid Mattress - Alwyn Home Portalia | 12 D in Wayfair 3987171551524C01B9C10740ED684D76

    King Medium 12" Hybrid Mattress - Alwyn Home Portalia | 12 D in Wayfair 3987171551524C01B9C10740ED684D76

    12" hybrid mattress offers both customized support and luxurious comfort. With individually pocketed springs, our medium hybrid mattress provides support for proper spinal alignment and helps to reduce motion transfer. Cool hybrid bed mattress with a... more

    $810.69 $414.99

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    King Medium 12" Memory Foam Mattress - Sleep Innovations Shiloh | 80 H x 76 W 12 D in Wayfair 3073853

    King Medium 12" Memory Foam Mattress - Sleep Innovations Shiloh | 80 H x 76 W 12 D in Wayfair 3073853

    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

    $519.99

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    King Medium 12" Hybrid Mattress - Alwyn Home Portalia | 80 H x 76 W 12 D in Wayfair 3987171551524C01B9C10740ED684D76

    King Medium 12" Hybrid Mattress - Alwyn Home Portalia | 80 H x 76 W 12 D in Wayfair 3987171551524C01B9C10740ED684D76

    12" hybrid mattress offers both customized support and luxurious comfort. With individually pocketed springs, our medium hybrid mattress provides support for proper spinal alignment and helps to reduce motion transfer. Cool hybrid bed mattress with a... more

    $810.69 $414.99

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    King Medium 10" Hybrid Mattress - Alwyn Home Orrum 10"&12" | 12" Wayfair 0CCE314087FB4FC882DA3C2303696135

    King Medium 10" Hybrid Mattress - Alwyn Home Orrum 10"&12" | 12" Wayfair 0CCE314087FB4FC882DA3C2303696135

    Nisien mattress is designed with the hybrid construction of individual pocket springs, top-quality high-density memory foam, and soft knit fabric, creating a comfortable cushion medium-firm feel. Not too hard, not too soft, just the right mattress to... more

    $319.99

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    King Medium 12" Hybrid Mattress - Alwyn Home Portalia | 80 H x 76 W 12 D in Wayfair 3987171551524C01B9C10740ED684D76

    King Medium 12" Hybrid Mattress - Alwyn Home Portalia | 80 H x 76 W 12 D in Wayfair 3987171551524C01B9C10740ED684D76

    12" hybrid mattress offers both customized support and luxurious comfort. With individually pocketed springs, our medium hybrid mattress provides support for proper spinal alignment and helps to reduce motion transfer. Cool hybrid bed mattress with a... more

    $810.69 $414.99

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    King Firm 12" Gel/Foam Mattress - Sleep Innovations Marley Medium Gel Memory Foam | 80 H x 76 W 12 D in Wayfair 3073846

    King Firm 12" Gel/Foam Mattress - Sleep Innovations Marley Medium Gel Memory Foam | 80 H x 76 W 12 D in Wayfair 3073846

    The triple-layer design of the Marley mattress keeps you cool and supported all night long. The gel memory foam top layer and supportive middle layer with airflow channels provide a cooling effect, helping to maintain a comfortable climate while you... more

    $469.99

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    King Medium 12" Gel/Foam Mattress - Alwyn Home Marmarth Gel Memory Foam | 79 H x 75 W 12 D in Wayfair DB15CFB0ABA648A79D46E3DBD696511E

    King Medium 12" Gel/Foam Mattress - Alwyn Home Marmarth Gel Memory Foam | 79 H x 75 W 12 D in Wayfair DB15CFB0ABA648A79D46E3DBD696511E

    Pamper your body with a luxurious sleep solution designed to provide unmatched comfort and support. One of the standout qualities of this gel memory foam mattress is its hypoallergenic properties. It is thoughtfully designed to be resistant to... more

    $569.99

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    King Medium 12" Gel/Foam Mattress - Wayfair Sleep™ Cooling Gel Memory Foam | 80 H x 76 W 12 D in 4536C5DB6718489881A82C1D50FC0211

    King Medium 12" Gel/Foam Mattress - Wayfair Sleep™ Cooling Gel Memory Foam | 80 H x 76 W 12 D in 4536C5DB6718489881A82C1D50FC0211

    Whether you're upgrading the mattress in the master suite, or giving the guest bedroom a quick refresh, this 12" memory foam mattress is here to help you get the sleep you need! Crafted with four layers of hypoallergenic gel memory foam, this piece... more

    $419.99

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    King Medium Gel/Foam Mattress - Alwyn Home Schaffa 12" Gel Memory Foam | Wayfair 30F1493AAD5344EDB00CE1D3ED6B4ABD

    King Medium Gel/Foam Mattress - Alwyn Home Schaffa 12" Gel Memory Foam | Wayfair 30F1493AAD5344EDB00CE1D3ED6B4ABD

    This Gel memory Foam Pillow Top mattress features a soft fiber padded quilted top, and high-density Foam that envelops your shape to relax tired joints and muscles. this mattress can provide excellent stress relief and cool sleep, Gel infused memory... more

    $449.99

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    Ashley Sleep 10 Inch Chime Memory Foam King Mattress - Ashley Furniture M69941

    Ashley Sleep 10 Inch Chime Memory Foam King Mattress - Ashley Furniture M69941

    "Ashley Sleep 10 Inch Chime Memory Foam King Mattress - Ashley Furniture M69941 Enjoy endless possibilities for restful sleep with this king mattress. Soothing memory foam contours to your body, while a thick layer of firm support foam provides... more

    $392.29

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    King Medium 14" Gel/Foam Mattress - Alwyn Home Rethman Soft-Medium Gel Memory Foam Sofa Bed | 84 H x 76 W 14 D in Wayfair

    King Medium 14" Gel/Foam Mattress - Alwyn Home Rethman Soft-Medium Gel Memory Foam Sofa Bed | 84 H x 76 W 14 D in Wayfair

    Product Description: Experience the epitome of affordable luxury with Memory Foam Mattress. Our hypoallergenic, breathable mattress combines springs and memory foam, providing an exceptionally soft surface with robust orthopedic support, creating an... more

    $969.99 $839.99

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    King Firm 12" Gel/Foam Mattress - Alwyn Home Petros Gel Memory Foam | 80 H x 60 W 12 D in Wayfair 7EC324971A4941C8836964816AEEBBE8

    King Firm 12" Gel/Foam Mattress - Alwyn Home Petros Gel Memory Foam | 80 H x 60 W 12 D in Wayfair 7EC324971A4941C8836964816AEEBBE8

    Alwyn Home gel memory foam mattress is perfect for sweet dreams. In this 12" firm mattress, Combined with cool gel memory foam, charcoal-infused foam, and high-density charcoal foam, this 12-inch mattress provides a 3-layer foam system design that... more

    $804.36 $389.99

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    King Medium 8" Gel/Foam Mattress - Alwyn Home Charcoal Infused Gel Memory Foam | 80 H x 76 W 8 D in Wayfair 3D40F330864945EA806EDAF81F6AADDB

    King Medium 8" Gel/Foam Mattress - Alwyn Home Charcoal Infused Gel Memory Foam | 80 H x 76 W 8 D in Wayfair 3D40F330864945EA806EDAF81F6AADDB

    This 8-inch gel memory foam mattress is the perfect choice for side sleepers and those looking for a plush new mattress, providing a plush feel. 2 inches of dense foam, infused with bamboo charcoal, the bamboo charcoal infusion helps keep your mattress... more

    $479.99 $449.99

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    King Medium 8" Memory Foam Mattress - Signature Design by Ashley Chime | 79 H x 75 W 8 D in Wayfair M72641

    King Medium 8" Memory Foam Mattress - Signature Design by Ashley Chime | 79 H x 75 W 8 D in Wayfair M72641

    When it comes to your comfort, discover the Ashley-Sleep® 8-inch mattress. Its memory foam contours to your body delivering amazing support, pressure relief, and comfort. The memory foam layer is supported by a thick layer of firm support foam. This... more

    $587.63 $469.99

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    King Medium 10" Hybrid Mattress - Home | 80 H x 76 W 10 D in Wayfair WF-CH013-10-K-S

    King Medium 10" Hybrid Mattress - Home | 80 H x 76 W 10 D in Wayfair WF-CH013-10-K-S

    The 10-inch hybrid mattress cover is made of hypoallergenic fabric with heat dissipation and anti-mite functions, bringing you a safe and cool sleep. The medium double mattress is moderate, which is in line with most people's preferences. 6.5"... more

    $811.99 $339.99

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    King Medium 6" Gel/Foam Mattress - Alwyn Home Lidia Gel Memory Foam w/ Rayon from Bamboo Cover | 80 H x 76 W 6 D in Wayfair

    King Medium 6" Gel/Foam Mattress - Alwyn Home Lidia Gel Memory Foam w/ Rayon from Bamboo Cover | 80 H x 76 W 6 D in Wayfair

    The 6-inch Memory Foam Medium Mattress will help you enjoy a more comfortable, better night's sleep. The mattress conforms to and supports your body shape, relieving pressure points and stress. This Rayon from Bamboo Charcoal mattress cover is soft,... more

    $334.99

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    King Firm 8" Gel/Foam Mattress - Sleep Innovations Marley Medium Gel Memory Foam | 80 H x 76 W 8 D in Wayfair 3073830

    King Firm 8" Gel/Foam Mattress - Sleep Innovations Marley Medium Gel Memory Foam | 80 H x 76 W 8 D in Wayfair 3073830

    Improve your sleep with the essential comfort of our 8-inch, two-layer gel memory foam Marley Mattress. The soft knit hypoallergenic cover immediately relaxes you with lasting freshness, while soothing gel memory foam actively reduces excess body heat... more

    $329.99

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    King Firm 12" Hybrid Mattress - Wayfair Sleep™ Sleep Pillow Top | 75 H x 39 W 12 D in WFSL1038 34538107

    King Firm 12" Hybrid Mattress - Wayfair Sleep™ Sleep Pillow Top | 75 H x 39 W 12 D in WFSL1038 34538107

    Looking to update your bedroom? Give yourself the support you need with this 12" firm hybrid mattress. Crafted using both pocket coils and layers of gel memory foam, it pairs the two major types of mattress design to create the perfect platform for a... more

    $489.99

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    More information about Mattresses & Boxsprings

    Best prices on King mattress 12 inch medium, Hypoallergenic, 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.