Split King Cooling Sheets

Find Split King Cooling Sheets at Mattress Firm to refresh your bedding and create a comfortable sleep space. Explore a range of sheet styles, colors, sizes and materials to find the right fit for your split king mattress setup.

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Tempur-Pedic TEMPUR-Pro-Performance Sheet Set

465

Starting at

$79⁷⁵

$319⁰⁰

$239 OFF

Sleepy's Deluxe Cool Stretch Sheet Set

Starting at

$179⁹⁹

Temperature
Allergies

Save $150 when you bundle¹⁰.

Tempur-Pedic TEMPUR-Breeze Cooling Sheet Set

196

Starting at

$469⁰⁰

Tempur-Pedic TEMPUR-ProAir Sheet Set

1517

Starting at

$299⁰⁰

Temperature
Allergies

Cozy Earth Bamboo Sheet Set

Starting at

$348⁰⁰

Temperature

Lusome Temperature Regulating Sheets

Starting at

$398⁰⁰

Temperature

Split king cooling sheets are designed to help create a fresher, more comfortable sleep environment for couples who share a king-size bed but prefer individually adjustable mattresses. A split king set typically includes two Twin XL fitted sheets, a king-size flat sheet and matching pillowcases, making it easier to dress each side of an adjustable split king mattress without struggling with one oversized fitted sheet. For warmer sleepers, look for breathable cooling sheets made with materials such as cotton percale, bamboo-derived rayon or TENCEL™ fibers. These fabrics are known for their lightweight feel, moisture-wicking properties and airflow, which can help reduce the hot, stuffy sensation that may interrupt restful sleep. Deep-pocket split king sheets can also provide a secure fit on thicker mattresses and mattress toppers, while fully elasticized edges help keep each fitted sheet in place as you move or adjust your bed. Choosing the best split king cooling sheets starts with matching the sheet set to your mattress size, depth and sleep preferences. Look for Twin XL fitted sheets with pockets deep enough to accommodate your mattress, plus breathable construction that feels smooth without trapping excess heat. Percale cotton offers a crisp, airy texture, while sateen and rayon-based sheets may provide a softer, silkier feel with moisture management for warm sleepers. It is also helpful to review the care instructions, since regular washing can keep sheets feeling fresh and breathable throughout the year. With the right split king sheet set, you can enjoy individualized comfort on an adjustable bed, easier bed making and cooling bedding that supports comfortable sleep night after night.

What materials are commonly used in cooling sheets? + -

Cooling sheets are often made with breathable materials such as cotton, bamboo-derived rayon, TENCEL™ lyocell or moisture-wicking microfiber. Each material has a different feel, from crisp and airy to smooth and silky.

What sheet weave is best for a cooler feel? + -

Percale is a popular weave for a cool, crisp feel because its one-over, one-under construction allows for airflow. Lightweight sateen can also feel comfortable while offering a smoother finish.

How do moisture-wicking sheets work? + -

Moisture-wicking sheets are designed to draw moisture away from the skin and help it evaporate through the fabric. Look for breathable fibers and fabric descriptions that mention moisture management.

How should cooling sheets be washed? + -

Follow the care instructions on the label. In general, wash sheets in cool or warm water with a mild detergent, avoid fabric softener when recommended and tumble dry on low or air dry to help preserve the fabric.

Can cooling sheets be layered with other bedding? + -

Yes. Pair cooling sheets with lightweight blankets, breathable comforters and a ventilated mattress protector to create a more breathable bedding setup.