Furniture › Bedroom Furniture › Mattresses & Boxsprings › King › mattress covers

By Mattress Firm | 12 INCH Memory Foam Lavender Mattress | Pain-REDUCING Pressure Relief | King Size

The soft-knit cover is smooth and soothing to the touch and keeps the airflow circulating as you sleep. The lavender-infused memory foam layers offer -feeling comfort and pain-reducing pressure relief. base foam provides a deep-down firm-support... more

Twin 9" Innerspring Mattress - Bedz King Plush Pocketed Coil | 74 H x 38.5 W 9 D in Wayfair Bedz-King-Mattress-Twin

Bedz king full-size mattress - no flip design with white cover and tennis shoe spacer material border the tennis shoe spacer material border promotes breath-ability to enable us to ship this mattress to you at this low price we have developed this... more

Bamboo Charcoal Infused Gel Memory Foam Mattress, 8 Inch Breathable Cover Mattress, King, White Blue

Features: [Breathable Cover]: The outer cover is made of 100% soft touch fabric. The feature of breathable, which helps regulate body temperature and is especially suitable for hot sleepers. more

8 Inch Foam Medium Firm Mattress with Jacquard Cover

Specifications: Color: White Material: Foam, Polyester Fabric Full Size: 54" x 75" x 8"（L x W x H） King Size: 76" x 80" x 8"（L x W x H） Queen Size: 60" x 80" x 8"（L x W x H） Twin Size: 39" x 75" x 8"（L x W x H） Full Size: 34 lbs King Size: 50.5 lbs Queen… more

King Mattress 6 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving Pressure Relief Mattress in a Box

-【EASY TO CLEAN】-It includes a soft cover that is washable for your convenience. more

King Firm 12" Hybrid Mattress - Signature Design by Ashley Limited Edition Mattress, Cotton | 79 H x 75 W 12 D in Wayfair M62541

Luxury comfort leads to luxury rest. This firm queen mattress soothes your body with cottony softness on the cover. Packed inside are layers of support foam and gel memory foam to relieve your pressure points. Rows of power-packed wrapped coils help... more

King Medium 8" Gel/Foam Mattress - Dynasty RV Gel Memory Foam | 80 H x 72 W 8 D in Wayfair KM-8-RVK-CB-US

Wake up ready to take on the open road with a full night's sleep with Dynasty Mattress's CoolBreeze Gel Memory Foam Mattress. Designed with a high-density foam core, this mattress cover provides instant comfort and lasting support for all sleepers.... more

Costway Foldable Futon Mattress with Washable Cover and Carry Bag for Camping-King Size

This multifunctional mattress will surely improve your life quality. more

10" Gel Memory Foam Mattress, Firm, King Mattress by Engia in Grey (Size KING)

High density orthopedic foam layers with gel memory foam on top wrapped in a moisture wicking fabric cover.FirmGel Memory FoamBed in BoxHand-crafted in USA | 10" Gel Memory Foam Mattress, Firm, King Mattress by Engia in Grey (Size KING) more

10" Gel Memory Foam Mattress, Medium, King Mattress by Engia in Grey (Size KING)

High density orthopedic foam layers with gel memory foam on top wrapped in a moisture wicking fabric cover.Medium FirmnessGel Memory FoamBed in BoxHand-crafted in USA | 10" Gel Memory Foam Mattress, Medium, King Mattress by Engia in Grey (Size KING) more

Merrick Lane Vienna King Size 14" Premium Comfort Euro Top Hybrid Pocket Spring And Memory Foam Mattress In A Box With Reinforced Edge Support - KING

- Luxury king size hybrid mattress in a box - Breathable knitted top cover - Premium blend of high density foam and memory foam - CertiPUR-US certified foam for better indoor air quality - Simply unbox, unroll and unpackage for hassle free setup - Safe... more

Merrick Lane Lofton 13" Euro Top Mattress In A Box With Hybrid Pocket Spring And Foam Design For Supportive Pressure Relief - KING

- Full size Euro Top hybrid foam and pocket spring mattress in a box - Knitted, breathable quilted top covering - Pressure relieving CertiPur-US Certified High Density Foam - Supportive, motion reducing pocket spring coils - Designed for all sleep... more

Signature Design Limited Edition Firm King Mattress in White - Ashley Furniture M62541

"Signature Design Limited Edition Firm King Mattress in White - Ashley Furniture M62541 Luxury comfort leads to luxury rest. This Limited Edition firm king mattress soothes your body with cottony softness on the cover. Packed inside are layers of... more

Costway 8 Inch Foam Medium Firm Mattress with Jacquard Cover-King Size

Are you looking for a cool and cozy mattress that can solve all kinds of annoying sleep problems? This high resilience mattress is your perfect choice! more

Costway 10 Inch Air Foam Pressure Relief Bed Mattress with Jacquard Soft Cover-King Size

Are you looking for a cool and cozy mattress that can solve all kinds of annoying sleep problems? This high resilience mattress is your perfect choice! more

10" Gel Memory Foam Mattress, Medium, King Mattress by Engia in Grey (Size KING)

High density orthopedic foam layers with gel memory foam on top wrapped in a moisture wicking fabric cover.Medium FirmnessGel Memory FoamBed in BoxHand-crafted in USA | 10" Gel Memory Foam Mattress, Medium, King Mattress by Engia in Grey (Size KING) more

10" Gel Memory Foam Mattress, Firm, King Mattress by Engia in Grey (Size KING)

High density orthopedic foam layers with gel memory foam on top wrapped in a moisture wicking fabric cover.FirmGel Memory FoamBed in BoxHand-crafted in USA | 10" Gel Memory Foam Mattress, Firm, King Mattress by Engia in Grey (Size KING) more

King Mattress 6 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving Pressure Relief Mattress in a Box

-【EASY TO CLEAN】-It includes a soft cover that is washable for your convenience. more

King Mattress 6 inch Gel Memory Foam Mattress Medium Firm Mattresses for Cool Sleep Relieving Pressure Relief Mattress in a Box

-【EASY TO CLEAN】-It includes a soft cover that is washable for your convenience. more

King Medium 12" Memory Foam Mattress - Sealy Cool + Clean 12” | 80 H x 76 W 12 D in Wayfair F03-00180-KG0

Cool. Clean. Comfortable. Convenient. The Sealy 12” Memory Foam Mattress-in-a-Box brings all the comfort and trusted quality of a Sealy mattress, turned up a notch with a cool & clean cover and mattress-in-a-box convenience. Cool-touch plush knit cover... more

8" Memory Foam Mattress King/Queen/Full Twin XL Size

The Sleep 8" Memory Foam Mattress is truly a wonder to sleep on and experience. Be it the soft luxurious cover, the levels of foam comfort inside, or perhaps the streamlined bamboo inspired theme of the cover. more

8" Memory Foam Mattress King in

Description 8" Memory Foam Mattress is truly a wonder to sleep on and experience. Be it the soft luxurious cover, the levels of foam comfort inside, or perhaps the streamlined bamboo inspired theme of the cover. more

8" Memory Foam Mattress King/Queen/Full Twin XL Size

The Sleep 8" Memory Foam Mattress is truly a wonder to sleep on and experience. Be it the soft luxurious cover, the levels of foam comfort inside, or perhaps the streamlined bamboo inspired theme of the cover. more

8" Memory Foam Mattress King/Queen/Full Twin XL Size

The Sleep 8" Memory Foam Mattress is truly a wonder to sleep on and experience. Be it the soft luxurious cover, the levels of foam comfort inside, or perhaps the streamlined bamboo inspired theme of the cover. more

8" Memory Foam Mattress King/Queen/Full Twin XL Size

The Sleep 8" Memory Foam Mattress is truly a wonder to sleep on and experience. Be it the soft luxurious cover, the levels of foam comfort inside, or perhaps the streamlined bamboo inspired theme of the cover. more

Copper Infused Hybrid 10 In Medium Memory Foam King Mattress

Description Copper Infused Hybrid Mattress is where the best of technologies come together. The cooling cover, copper-infused memory foam, and edge support perimeter coils provide a cool sleep all night. more

King Firm 14" Mattress - Sealy Posturepedic Plus Tight Top & Box Spring Set | 80 H x 60 W 14 D in Wayfair 42729361

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. Box Spring... more

King Firm 12" Innerspring Mattress - Serta Perfect Sleeper | 79.5 H x 76 W 12 D in Wayfair 500104131-1060

The Perfect Sleeper 12" Firm mattress features better pressure point relief, a heat-regulating fabric cover, and the most supportive coil system available in the Perfect Sleeper line. An additional layer of breathable, cooling gel memory foam helps the... more

King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top | 80 H x 76 W 12 D in Wayfair 52950561

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: King | King... more

Signature Design by Ashley Limited Edition Pillowtop White/Gray 2-Piece King Mattress Package

Luxury comfort leads to luxury rest with this king pillow top mattress and foundation set. The mattress soothes your body with cottony softness on the cover. Packed inside are layers of support foam and gel memory foam to relieve your pressure points. more

King 15" Innerspring Mattress - Sealy Posturepedic Plus Ultra Plush & Box Spring | 80 H x 76 W 15 D in Wayfair 42729761

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. Ultra plush feel. Box... more

Signature Design by Ashley Limited Edition Pillowtop White/Gray 2-Piece King Mattress Package

Luxury comfort leads to luxury rest with this king pillow top mattress and foundation set. The mattress soothes your body with cottony softness on the cover. Packed inside are layers of support foam and gel memory foam to relieve your pressure points. more

King 15" Innerspring Mattress - Sealy Posturepedic Plus Ultra Plush | 74 H x 53 W 15 D in Wayfair 52729761

This 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. Ultra-plush feels. Mattress Size:... more

King Extra Firm 12" Innerspring Mattress - Sealy Tight Top Sofa Bed & Box Spring | 80 H x 60 W 12 D in Wayfair 42728461

This mattress upgrades Posturepedic® Spring mattresses with our most rigorously tested materials. Motion-reducing coils, targeted gel memory foam, and cushioning specialty gel foams deliver full-body support, while the antibacterial soft-knit cover is... more

Priage by Zinus 7.5-inch BiFold Foundation

The BiFold Split king size box spring by Priage features a folding mattress foundation that can compresses for added ease. It is constructed with heavy gauge steel and has a fabric cover. It is 7.5 inches deep. more

King 6" Waterbed Mattress - Strobel Winners American Pharoah No Cover Top Only Semi-Waveless Deep Fill Soft-Side Mattress, | 6 H x 76 W 80 D in Wayfair

This soft-side waterbed top-only set is part of Strobel's Winners collection. Each model in our Winners collection is named after a Kentucky Derby-winning horse and comes with inner support rails made from soy-based, fabric-covered foam, a premium... more

King 10" Waterbed Mattress - Strobel Winners Nyquist K-Rail No Cover Top Only Waveless Deep fill Soft-side | 10 H x 76 W 80 D in Wayfair 3100w9tnck

Strobel’s super-premium and Strobel think the best soft side waterbed on the market has their Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super waveless and added peace of mind. Strobel Hydro Support Waterbeds feature their... more

Alwyn Home Audra 0.68-Inch Heavy Duty Mattress Support Wooden Bunkie Board/Slats w/ Cover Wood in Brown | 0.68 H x 76 W x 78 D in | Wayfair

This folding wood bed slat provides 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. These folding... more