Early Black Friday Deals Are Here

SAVE 20% SITEWIDE
Plus we're dropping limited time flash deals every 72 hours–hurry before their gone!
Free Ground Shipping
Free Ground Shipping
Sale Price Match Guarantee
Sale Price Match Guarantee
Extended Holiday Return Period
Extended Holiday Return Period
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35% OFF
Performance Linen Blend Sheet Set

Performance Linen Blend Sheet Set

NASA Cooling Technology Soft Textured Hand Feel
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EXTRA $40 OFF @ CHECKOUT
Textured Blanket - Final Sale

Textured Blanket - Final Sale

Save an extra $40 @ checkout Nasa Temperature Regulation Fiberfill
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Hurry! These 72 Hours Flash Deals End soon
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Flash Deals

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Best Sellers

Best Sellers Best Sellers

Gifts Under $100

Gifts Under $100 Gifts Under $100

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Avec

Avec Avec

Shop By Discount

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Give the Gift of Perfect Sleep. Powered by Science.

It’s bedding that keeps you warm but also cool, which sounds like magic but is just science. 

How It Works
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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%.[br]*Outlast Humidity Sleep Study
Slumber Cloud icon of a sleep mask.
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
Free US Ground Shipping

Free US Ground Shipping

All U.S. orders are shipped right to your door, free of charge. Orders are typically shipped within 24 business hours from our warehouse in Denver, Colorado
Extended Holiday Returns & Trial Period

Extended Holiday Returns & Trial Period

Sleep on it, wash it, and really put it to the test until February 28th, 2026! If you don’t love your new bedding, just return it for a full refund. No questions asked!
Sale Price Match Guarantee

Sale Price Match Guarantee

Buy any Slumber Cloud item now. If it goes on a deeper sale within the next 60 days, just let us know and we'll refund the difference.

Build Your Dream-Worthy Bed

We've got everything you need to make a bed you can't wait to tuck into. 

Every layer utilizes Outlast®, the world’s only textile temperature regulation technology to have received the Certified Space Technology™ quality mark by the renowned Space Foundation.

Free Shipping & Free Returns60 Night Risk Free TrialDesigned & Shipped from Denver Colorado

Over 30,000 happy sleepers have spoken.

We've helped over 30,000 sleepers unlock their best rest yet. See why customers and the press are calling our products a dream come true. Read all reviews

★ ★ ★ ★ ★
These sheets and duvet cover are so comfy and cozy! They really do keep me cooler at nights too; which I've been fighting with my entire life - I'm an overheater! I already recommended them to my best friend.
— Kristi M.
★ ★ ★ ★ ★
Perfect for California Summer! I love the lightweight and how well it regulates heat, so that we are not hot nor cold. It is perfection. I was hesitant because of the cost but glad that I decided to purchase it
— Esther B.
★ ★ ★ ★ ★
I have bought countless pillows, new bed, different positions, tried couch, bought new couch. Got this ultra cool pillow, so soft, literally feels like sleeping on a nice cool cloud. Slept the full night, first full night in over a year.
— Sagar J.
"For truly hot sleepers, leave it to NASA engineering to figure out a way to help you finally stay cool at night."
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Shop Early Black Friday Deals

Browse our award-winning temperature-regulating technology or save big on the comfort essentials you need now.

Pre-order & save 30%

Shop early and save extra on select pre-order colorways of the Performance TENCEL™ Sheets

Pre-order & save 30%

Shop early and save extra on select pre-order colorways of the Performance TENCEL™ Sheets

Extra Savings On The Textured Blanket

The perfect all-season weight for staying cool in summer or layering up during colder months.

Extra Savings On The Textured Blanket

The perfect all-season weight for staying cool in summer or layering up during colder months.

Bundle & Save

Build a complete sleep system with our curated bundles, including sheet sets and mattress pads.

Bundle & Save

Build a complete sleep system with our curated bundles, including sheet sets and mattress pads.

Flash Deals

Save 35% on the Performance Linen Blend Sheet Set with this 72 hour only Flash Sale

Flash Deals

Save 35% on the Performance Linen Blend Sheet Set with this 72 hour only Flash Sale

Pillow Deals: Buy 3, Get 1 Free

Upgrade every pillow in your home. Mix and match all our UltraCool® and Core Down Alternative pillows & covers.

Pillow Deals: Buy 3, Get 1 Free

Upgrade every pillow in your home. Mix and match all our UltraCool® and Core Down Alternative pillows & covers.