The Slumber Cloud Performance Pillow Cover made with Outlast® temperature regulation technology and Tencel to help you stay cool through the night.
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The Slumber Cloud Performance Pillow Cover made with Outlast temperature regulation technology and Tencel to help you stay cool through the night.
A woman inserting the UltraCool Pillow into the Slumber Cloud Performance Pillow Cover with Outlast temperature regulation technology
A detailed view of the Slumber Cloud Performance Pillow Cover with Outlast temperature regulation technology
A man zipping up the Slumber Cloud Performance Pillow Cover with Outlast temperature regulation technology
A detailed view of the fabric on the Slumber Cloud Performance Pillow Cover with Outlast temperature regulation technology
A detailed view of the zipper on the Slumber Cloud Performance Pillow Cover with Outlast temperature regulation technology
Free Shipping & 60 Night Risk Free Trial

Performance Pillow Covers

Dual Temperature Regulation Technologies Zips Over Any Pillow 2-Pack Of Pillow Covers

Upgrade your pillows with our Performance Pillow Covers: ultralight, breathable, and NASA-engineered for cool comfort all night long.

Product Comparison
Select Color
White
Select Size
$59.00
Pairs well with..
Performance Mattress Pad
From $219.00
Performance Mattress Pad

- Ultra lightweight proprietary Tencel® based Outlast® lining fabric for dual heat management technologies

- Designed to be used underneath your pillowcase

- One set includes 2 pillow covers

- OEKO-TEX® STANDARD 100 Certified Technology. Certification Number: 05.0.9235

- 100% Tencel® Lyocell top fabric with Outlast® technology coating

- Zippered enclosure

Standard - 21” x 29”
King - 21” x 37”

Basic Care:
Machine wash cold water on a gentle cycle with a mild detergent and with like colors only. Do not use fabric softener. Only use non-chlorine bleach when needed. Tumble dry low heat until completely dry. Remove from dryer immediately. Do not dry clean. Do not iron.

Pro Tip:
Wash this every 1-2 weeks. Reduce wrinkles by removing these from the dryer immediately.

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 Pillow Covers
On Sale from $59.00

Why You'll Love It:

Keep your head cool and comfortable all night long.

Dual Temperature Regulating Technologies

Designed with NASA's proactive Outlast® technology and Tencel®'s reactive moisture-wicking, ensuring effective dual temperature regulation.

Transform Your Existing Pillow

Enhance your favorite pillow with Performance Pillow Covers for added cooling comfort without replacing it.

Lab Tested Quality

Performance Pillow Cover: lab-tested fabric with 20,000+ abrasion test passes for guaranteed quality and durability.

Slumber Cloud Pillow & Cover Comparisons

Different solutions all designed with temperature regulation:
Performance Pillow Covers

Zips on to pillow. Airy + breathable. Dual technologies
UltraCool Pillow

Cool to the touch. Adaptive
Core Pillow

Cooling cotton. Structured. Classic.

A close up of the Slumber Cloud Performance Pillow Cover Set made with Outlast temperature regulation technology on a moisture wicking fabric
Detailed view of the outer fabric on the Slumber Cloud UltraCool Pillow
A close up shot of the Slumber Cloud Core Down Alternative Pillow

Pillow vs Pillow Cover Overview

Which one is right for me?

Pillow

Pillows should be replaced at least every year. Ideal for those who need to replace their existing pillow and need temperature regulation performance.

Pillow Cover

Ideal if you have a pillow you love, but need it to sleep cooler. Pillow Covers extend the lifetime of your pillow and can be paird with our pillows for extra temperature regulation performance.

A better night’s sleep because of science.

It’s a fabric designed for NASA spacesuits up where temperatures change by 500 degrees. We think it can handle your bedroom. Learn More

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?
Yes
No
No
Manages Temperature Fluctuations?
Yes
Yes
No
Ideal for Thermally Incompatible Couples?
Yes
No
No
Moisture Wicking Capabilities?
Yes
Yes
No
Breathability?
Yes
Yes
No

"Coolest material I’ve used and I like the zippered pillow cases"

- Nicholas B.

"The quality of these covers is amazing! What my husband and I love most is they keep your pillow cool all night long!The quality of these covers is amazing! What my husband and I love most is they keep your pillow cool all night long!"

- Jolene C.

"Loved these. Elegant feel with a comfortable coolness to lull you to sleep."

- Eileen B.

FAQs

Not to be confused with pillowcases, this set of pillow covers are traditionally used underneath your pillowcases to keep your head cool and extend the lifetime of your pillows.

Yes, we want your bed to look nice and match the rest of your linens so we made sure the technology inside our pillow covers will still work even when used with a pillowcase.

The Performance Pillow Cover Set comes with two pillow covers. That means one for you and one to share with your partner (or don't share, we won’t judge).

Slumber Cloud products are designed to help manage heat and humidity build up. It is not an air conditioner with a set temperature degree, but it will react to your temperature all night long to reduce heat build up and manage temperature swings.