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New
Performance Cotton Pillowcases
NASA Cooling Technology
Cotton Hand Feel
Breathable Fabric
Complete your Performance Cotton Sheet Set with matching Pillowcases. Crafted from cotton for softness and durability, with temperature-regulating fibers for cool comfort.
FREE
$169.00
Performance Cotton Comforter
Unlock a Free Lightweight Performance Cotton Comforter (up to $229 value) w/ the purchase of any Full, Queen, King, or Cal-King 7 Piece Sheet Set. Free comforter automatically added to cart.
All U.S. orders are shipped right to your door, free of charge.
Sleep on it, wash it, and really put it to the test for 60 nights! If you don’t love your new bedding, just return it for a full refund. No questions asked!
*Final Sale items and colors are not eligible for return, exchange, or the 60 Night Trial Period.
Performance Cotton Pillowcases
On Sale from $39.00
Why You'll Love It:
Pillowcases designed for maximum sleeping comfort.
Year Round Comfort
NASA-engineered tech and cotton fibers absorb excess heat when warm, release it when cool. Ideal for year-round comfort.
Singly-Ply Construction
The Performance Cotton Pillowcases have single-ply, long staple fibers for high-quality, breathable comfort while you sleep.
Softer With Each Wash
With each wash the cotton blend gets softer, like a cozy lived-in cotton t-shirt.
Slumber Cloud Sheet & Duvet Comparisons
All are temperature regulating, breathable and soften with washing. The difference is in the hand feel:
The Only NASA Bedding
Our bedding utilizes Outlast®, the world’s only textile technology to have received the Certified Space Technology™ quality mark by the renowned Space Foundation.
Reduces Sweat By 50%
Our bedding provides proactive heat and moisture management, clinically proven to reduce night sweats by up to 50%. *Outlast Humidity Sleep Study
Improves Deep Sleep By 20%
Our bedding adapts to the ideal temperature of both hot and cold sleepers, proven to decrease tossing & turning and increase sleep efficiency by 20%.*Outlast Heat Sleep Study
Us vs Them
Slumber Cloud Cooling Bedding
Other "Cooling" Bamboo Products (like Buffy & Sleep Number)
Traditional Bedding (like Parachute & Brooklinen)
Proactive Temperature Regulation
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Yes
No
No
Manages Temperature Fluctuations
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Yes
Yes
No
Ideal for Thermally Incompatible Couples
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Yes
No
No
Moisture Wicking Capabilities
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Yes
Yes
No
Breathability
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Yes
Yes
No
"Didn't realize how much the sheets would make a difference in my quality of sleep. Definitely buying another set!"
- Becker"The sheets are soft and cozy. They fit my bed perfectly. I love the additional strap on the 4 corners of the fitted sheet."
- Kylie S."These sheets are so comfortable to to the touch and to sleep on. Have been looking a long time for this quality sheet at the store, but couldn't find them. Thanks for making Slumber Cloud!"
- Judith M.FAQs
What's the difference between the Performance Cotton Pillowcases, Performance TENCEL™ Pillowcases, and the Performance Linen Blend Pillowcases?
How many degrees cooler will this keep me?
What is the hand-feel of the fabric?
How many pillowcases come in a set?
