Comforters & Covers

All incorporate our signature temperature regulation fiberfill.

NASA-inspired phase change material technology inside the filling
NASA-inspired phase change material technology inside the filling
Machine washable in your home washer & dryer
Machine washable in your home washer & dryer

Shop By Product Type

Comforters 20% OFF Blankets & Throws Up to 40% OFF Duvet Covers 20% OFF Bundles Bundle Savings

Our Fabrics

UltraCool Fabric

Cool to the touch. Silky. 3 Color ways.

A woman smiling and peaking from under a Slumber Cloud Lightweight Comforter.

Performance Cotton Fabric

Breathable. Durable cotton. Classic. Ideal as duvet insert

Comforters

Fluffy and breathable, with cooling technology

Performance Cotton Comforter Performance Cotton Comforter
Up to 20% off

Performance Cotton Comforter

★ ★ ★ ★ ★
2506 Reviews
Your new everyday comforter. Ideal for keeping your nights cooler, but still warm enough for cozy winters. With NASA-approved temperature regulating technology this is perfect for those want a blend of classic cotton with advanced fiberfill. 
Reduces Night Sweats Up To 50%
Perfect For Couples
Machine Washable
On Sale From $191.20 $239
UltraCool Comforter UltraCool Comforter
Up to 20% off

UltraCool Comforter

★ ★ ★ ★ ★
251 Reviews
Introducing the UltraCool Comforter for a cool, comfortable sleep. Featuring cooling nylon/spandex and NASA-engineered fiberfill for year-round comfort. Comes in two-weights: Lightweight for the hottest sleepers and All-Season for those who prefer a little more weight. 
Reduces Night Sweats Up To 50%
Perfect For Couples
Machine Washable
On Sale From $207.20 $259
Bundle & Save
UltraCool Comforter + 2 Pillowcases UltraCool Comforter + 2 Pillowcases
Up to 20% off

UltraCool Comforter + 2 Pillowcases

★ ★ ★ ★ ★
3 Reviews
Bundle and save with the UltraCool Comforter + 2 Matching UltraCool Pillowcase Set.  Featuring cooling nylon/spandex and NASA-engineered fiberfill for year-round comfort. The comforter comes in two-weights: Lightweight for the hottest sleepers and All-Season for those who prefer a little more weight. 
Reduces Night Sweats Up To 50%
Perfect For Couples
Machine Washable
On Sale From $261.60 $327

What's the difference in the comforter weights?

All Season
More of a classic comforter weight, the All Season fill weight is ideal for those who want more loft and weight or live in colder climates

Lightweight
More of a thin blanket weight, the Lightweight fill weight is ideal for hot sleepers, those who prefer less loft on top of them, or for layering.

Blankets & Throws

Lightweight layer with cozy, temperature-regulating comfort

The Slumber Cloud Textured Blanket in Lunar with Outlast® temperature regulation technology to help keep you cool and comfortable throughout the night rollover
Up to 40% off

Textured Blanket - Final Sale

★ ★ ★ ★ ★
155 Reviews
Introducing our award-winning Textured Blanket with NASA-engineered Outlast® fiberfill for proactive temperature regulation, stylish and cozy for year-round comfort. Final Sale items are not eligible for return, exchange, or the 60-night trial period.
On Sale From $113.40 $189
Plush Throw Blanket The Slumber Cloud Plush Throw Blanket made with Outlast Temperature regulation technology
Up to 20% off

Plush Throw Blanket

★ ★ ★ ★ ★
80 Reviews
Experience cloud-like comfort with our revolutionary Plush Throw Blanket. The patented ClimaDry™ fiberfill provides exceptional temperature regulation while the reversible design offers plush flannel on one side and soft microfiber on the other. Perfect for year-round use, this versatile blanket keeps you comfortable without overheating.
On Sale From $63.20 $79
Woven Throw Blanket Woven Throw Blanket
Up to 20% off

Woven Throw Blanket

★ ★ ★ ★ ★
1 Reviews
This cozy, ultra soft, woven throw blanket utilizes NASA-engineered temperature regulating fibers for ultimate comfort. The elegant mix of checkered, herringbone, and diamond patterns adds a touch of sophistication to your home décor.
On Sale From $47.20 $59
Real Simple logo

"For truly hot sleepers, leave it to NASA engineering to figure out a way to help you finally stay cool at night."

Duvet Covers

Protects duvets with soft, temperature-regulating fabric

Performance TENCEL™ Duvet Cover The Slumber Cloud Performance Duvet Cover with Outlast® temperature regulation technology to help keep you cool and comfortable throughout the night
Up to 20% off

Performance TENCEL™ Duvet Cover

★ ★ ★ ★ ★
773 Reviews
Experience ultimate sleep performance with our Performance TENCEL™ Duvet Cover. It blends Outlast® viscose fibers and TENCEL™ lyocell for unparalleled comfort.
Dual Temperature Regulation Technologies
Silky Soft Hand Feel
Moisture Wicking
On Sale From $87.20 $109
Performance Cotton Duvet Cover Performance Cotton Duvet Cover
Up to 20% off

Performance Cotton Duvet Cover

★ ★ ★ ★ ★
1 Reviews
Made from the same airy, breathable, and perfectly weighted fabric as our Performance Cotton Sheet Set, the Performance Cotton Duvet Cover is the ideal blend between the softness and durability of cotton, and the performance of temperature regulating fibers. Put an end to overheating and humidity build-up for maximum sleeping comfort.
NASA Cooling Technology
Cotton Hand Feel
Breathable Fabric
On Sale From $87.20 $109
Performance Linen Duvet Cover Performance Linen Duvet Cover
Up to 20% off

Performance Linen Duvet Cover

Made from the same textured breathable fabric as our Performance Linen Blend Sheet Set, this duvet cover delivers a high-end look while the Outlast® technology actively cools. The Performance Linen Blend Duvet Cover is the perfect combination of performance and elegance.
NASA Cooling Technology
Soft Textured Hand Feel
Premium Fibers
On Sale From $167.20 $209
Detailed view of the corner loops on the Slumber Cloud Performance Comforter made with Outlast temperature regulation technology and Tencel to help you stay cool through the night. | Dual Technology

Integrated Corner Loops

Corner loops keep the comforter in place if used as an insert inside a duvet cover

Bundles

Bundle & save with these signature sets

Performance Mattress Pad + TENCEL™ Sheet Bundle Performance Mattress Pad + TENCEL™ Sheet Bundle
Up to 20% off

Performance Mattress Pad + TENCEL™ Sheet Bundle

Bundle and save with the Performance Mattress Pad and Performance TENCEL™ Sheet Set Bundle. This bundle includes our award-winning Performance Mattress Pad, featuring innovative temperature-regulating technology, and a 4-piece TENCEL™ lyocell Sheet Set for ultimate comfort. Wake up refreshed and ready to take on the day!
Dual Temperature Regulation Technologies
Cools Hot Mattresses
Bundled with Sheet Set
On Sale From $382.40 $478
Performance Mattress Pad + 2 UltraCool Pillows Bundle Performance Mattress Pad + 2 UltraCool Pillows Bundle
Up to 20% off

Performance Mattress Pad + 2 UltraCool Pillows Bundle

Upgrade your sleep game with our Performance Mattress Pad + 2 UltraCool Pillows Bundle. Both the pad and pillows feature our award winning temperature-regulating technologies to create the ultimate sleep experience from head to toe.
Dual Temperature Regulation Technologies
Cools Hot Mattresses
Bundled with 2 Pillows
On Sale From $365.60 $457
UltraCool Comforter + 2 Pillowcases UltraCool Comforter + 2 Pillowcases
Up to 20% off

UltraCool Comforter + 2 Pillowcases

★ ★ ★ ★ ★
3 Reviews
Bundle and save with the UltraCool Comforter + 2 Matching UltraCool Pillowcase Set.  Featuring cooling nylon/spandex and NASA-engineered fiberfill for year-round comfort. The comforter comes in two-weights: Lightweight for the hottest sleepers and All-Season for those who prefer a little more weight. 
Reduces Night Sweats Up To 50%
Perfect For Couples
Machine Washable
On Sale From $261.60 $327
Two UltraCool Pillows on a beige background with badges highlighting that they have Space Foundation Certified Space Technology, and are 2025 Bedding Awards winners. Additionally, the image has the Forbes logo, Gear Patrol logo, and Sleep Doctor logo highlight publications that this product has been featured in. UltraCool Pillow
Up to 25% off

UltraCool Pillow

★ ★ ★ ★ ★
806 Reviews
Discover the ultimate sleep solution with our NASA-engineered UltraCool Pillow. Named "Best Cooling Pillow" by Good Housekeeping, it features premium Outlast® technology that actively regulates temperature throughout the night. Choose from two firmness levels for perfect neck support while reducing heat buildup by up to 50%. Experience cooler, deeper sleep tonight.
Hypoallergenic Fill
Filled In USA
NASA Cooling Technology
On Sale From $87.20 $109

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.

FAQ

The lowdown on some commonly asked questions

All Slumber Cloud comforters help regulate your body temperature by absorbing and releasing heat. They keep you cool without sacrificing comfort or softness. Choose the outer fabric you prefer and go with the lightweight fill for the coolest comforter.

Yes. Each of our comforters are designed to adapt to your body heat so it works just as well in warm weather as it does in cooler seasons.

Lightweight blankets just use thinner fabric or less filling. Slumber Cloud cooling blankets are made with smart technology that helps manage your temperature more effectively.

Many customers choose our comforters to help with night sweats. They’re designed to reduce overheating and create a more balanced sleep temperature.