
Sleep Number Split King beds are popular, but many people are unsure about the best mattress cover to use with them. Some people want a soft, breathable cover, while others are looking for something that will enhance their comfort and support. There are also mattress covers that are designed to fully encase the mattress and protect against bed bugs, dust mites and allergens.
| Characteristics | Values |
|---|---|
| Number of layers | Two |
| Cover material | Soft quilted |
| Filling | Cooling gel memory foam |
| Cover features | Easy to remove, washer and dryer safe |
| Additional benefits | Pressure-relieving, prevents motion transfer, environmentally conscious, durable |
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$67.99 $72.99
What You'll Learn
- The Sleep Innovations Cool Comfort Dual Layer Mattress Topper is a two-layer design with a cool-touch fibre-fill cover and gel memory foam for pressure-relieving body support
- The Sleep Innovations mattress topper is made from CertiPUR-US® foam, which is environmentally conscious and durable
- The Sleep Number Total Encasement 360 Mattress Cover is designed exclusively for Sleep Number 360® and Sleep Number® smart beds
- The Sleep Number Total Encasement 360 Mattress Cover is made from silky-soft polyester and features a waterproof, scientifically-tested polyurethane bond shown to block bed bugs, dust mites and allergens
- The Sleep Number split king mattress can be covered with a cotton sheet or two for a thicker layer

The Sleep Innovations Cool Comfort Dual Layer Mattress Topper is a two-layer design with a cool-touch fibre-fill cover and gel memory foam for pressure-relieving body support
The Sleep Innovations Cool Comfort Dual Layer Mattress Topper is an excellent choice for those seeking a luxurious and comfortable sleep experience. The two-layer design offers a soft and plush surface, while the gel memory foam provides pressure-relieving body support. The cooling features of the topper help maintain a comfortable sleep temperature, making it a great option for those who tend to toss and turn during the night. Additionally, the motion transfer prevention feature ensures a more peaceful sleep, even when sharing a bed. With its durability and environmental certification, this mattress topper is a reliable and sustainable choice.
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The Sleep Innovations mattress topper is made from CertiPUR-US® foam, which is environmentally conscious and durable
Sleep Number split king beds are designed to be used with a FlexFit smart adjustable base or Sleep Number integrated base. The zippered cover fully encases the mattress and hose openings.
The Sleep Innovations mattress topper is made from CertiPUR-US® foam, which is certified environmentally conscious and tested for durability. The two-layer design features a cool-touch fiberfill cover for plush cradling and gel memory foam for pressure-relieving body support. The gel memory foam also offers continuous cooling for a more comfortable sleep temperature throughout the night. This cooling helps prevent tossing and turning to encourage more undisturbed sleep. The memory foam also prevents motion transfer, reducing the movement you feel from your partner. The topper comes with a 10-year limited warranty.
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The Sleep Number Total Encasement 360 Mattress Cover is designed exclusively for Sleep Number 360® and Sleep Number® smart beds
The Sleep Number Total Encasement 360 Mattress Cover is designed exclusively for Sleep Number 360 and Sleep Number smart beds. The cover is made from silky-soft polyester and features a waterproof, scientifically-tested polyurethane bond that blocks bed bugs, dust mites and allergens. The zippered cover fully encases the mattress and hose openings.
Sleep Number offers a range of mattress covers and pads designed to enhance your comfort and protect your mattress. The Sleep Number Split King Mattress Pad, for example, features a two-layer design with a cool-touch fiberfill cover and gel memory foam for pressure-relieving body support. The gel memory foam also offers continuous cooling to help prevent tossing and turning, and it prevents motion transfer so you don't feel your partner's movements.
The Sleep Innovations Cool Comfort Dual Layer Mattress Topper is another option that offers a similar combination of cooling gel memory foam and a soft, quilted cover. This topper is easy to remove and is washer and dryer safe. It's also environmentally conscious and durable, with a 10-year limited warranty.
If you're looking for a softer option, you might consider using a cotton sheet or two to cover your mattress. This can provide a thicker, more breathable layer than some of the polyester options.
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The Sleep Number Total Encasement 360 Mattress Cover is made from silky-soft polyester and features a waterproof, scientifically-tested polyurethane bond shown to block bed bugs, dust mites and allergens
The Sleep Number Total Encasement 360 Mattress Cover is a silky-soft, polyester cover that fully encases the mattress and hose openings. The cover is designed exclusively for Sleep Number 360 and Sleep Number smart beds when used with a FlexFit smart adjustable base or Sleep Number integrated base. The reverse side of the mattress encasement features a waterproof, scientifically-tested polyurethane bond that has been shown to block bed bugs, dust mites and allergens. This means you can sleep peacefully without worrying about any unwanted pests or allergens in your bed.
The cover is made from soft-knit fabric, which is quiet and surprisingly soft and silky, depending on how it's made. Polyester can be a good option for those who don't want a mattress cover that doesn't breathe, as it is quiet and you may not even notice it. However, some people prefer cotton sheets as they provide a thicker layer.
Sleep Number Split King mattress pads are also available, which can enhance your current mattress and sleep comfort. These mattress pads feature a two-layer design with a cool-touch fiberfill cover for plush cradling and gel memory foam for pressure-relieving body support. The gel memory foam also offers continuous cooling for a more comfortable sleep temperature throughout the night, helping to prevent tossing and turning.
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The Sleep Number split king mattress can be covered with a cotton sheet or two for a thicker layer
Sleep Number also offers a zippered mattress cover made from silky-soft polyester on one side and a waterproof polyurethane bond on the other, which is scientifically tested to block bed bugs, dust mites and allergens.
Alternatively, you could opt for a mattress pad or topper, which can add an extra layer of comfort and support. Some mattress toppers feature cooling gel memory foam, which can help prevent tossing and turning by providing a more comfortable sleep temperature throughout the night. They can also prevent motion transfer, reducing the movement you feel from your partner.
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Frequently asked questions
The Sleep Number split king mattress pad is a two-layer mattress topper that adds fluffy fibre fill in a soft quilted cover to cooling gel memory foam.
The mattress pad provides unbeatable comfort combined with gentle, pressure-relieving support. It is also easy to remove and completely washer and dryer safe.
The mattress pad features a cool-touch fibre fill cover for plush cradling and gel memory foam for pressure-relieving body support. The gel memory foam also offers continuous cooling for a more comfortable sleep temperature throughout the night.
The cover is made of soft-knit fabric that is silky-soft polyester on the surface.










































