Adjustable UltraCool Pillow
This hybrid pillow was designed with you in mind. Made with two removable inserts, the Adjustable UltraCool pillow combines the squishy, moldable feel of fiberfill with the consistent support of memory foam. The zippered side gussets allow even more control over the firmness of your pillow so that you can find the level of support that’s perfect for you. And our award-winning UltraCool technology will keep you comfortable and cool throughout the night.
Back sleepers: Use both inserts and keep the gussets zipped closed
Side sleepers: Use both inserts and unzip the gussets
Stomach sleepers: Remove 1 insert of your choice and unzip the gussets
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Free Shipping
Ground shipping and returns are FREE for all US orders. Shipping typically takes 3-7 business days for most in-stock merchandise. Canada and express shipments are available for an additional fee at checkout.
Extended Holiday Returns
Our 2023 Extended Holiday Returns policy requires that items purchased between November 1, 2023, and December 31, 2023, are returnable and exchangeable through March 1, 2024, except for final sale items or items ineligible to be returned due to our standard Terms & Conditions.
Financing
Utilize Shop Pay Installments or PayPal Credit during checkout as flexible payment plans to split your purchase amount into equal and interest-free payments.
How Do They Compare?
Adjustable UltraCool Pillow
Additional Details
The comforting support of a traditional pillow without the hassle of flipping to the cool side. The UltraCool pillow puts you in direct contact with Outlast® technology. A luxurious Polysilk™ fiber-fill mimics the feel and performance of down feathers without the heftier price tag and special care.
Premium NASA-engineered Outlast® fabric on both sides fights off heat
Luxury 100% down alternative fiber-fill on one side and premium memory foam on the other side
Oeko-Tex Standard 100 Certified Technology
Use the temperature guide to balance your bed just the way you like. Or compare other product features here.
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Traditional Bedding
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Adjustable UltraCool Pillow
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Why we're different.
Traditional bedding and moisture wicking technologies react to changes in your body temperature while you sleep. Slumber Cloud is doing something different. Slumber Cloud Bedding utilizes Outlast® technology for an unmatched approach to temperature regulation. Outlast® technology is proactive, not reactive. As your body temperature increases during sleep, Outlast® technology stores that heat to keep you cool, and then releases it as you cool down...keeping you feeling “just right”.
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Our premium lining fabric takes a proactive approach by employing active temperature control properties, versus other "cooling" bedding that is moisture-wicking and simply reactive.
Outlast® materials improve comfort for: Anyone looking for a more comfortable night’s sleep - they’ll sleep cooler and more comfortably. Sleepers who struggle with hot flashes and night sweats - proactive temperature regulation means they’ll sleep cooler and drier and wake up feeling refreshed. Thermally incompatible couples - individuals can sleep at their own ideal temperature.
We pass on everything we learn to our customers. From sleep studies to new technologies, we want to help you make informed decisions about your sleep.
Click to learn more about our studies: Heat Sleep Study Humidity Sleep Study
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The thoughtfulness is in the details.
It doesn’t stop at thread count. It’s the little things, the thoughtful details, that make our products the best available.
Adjustable Firmness
Gussets that can be zipped to create a firmer pillow, or unzipped to create a softer pillow.
Manages Heat
Designed to manage heat through your pillowcase
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Easy to care for
Removable inserts for easy cleaning and a customizable sleep.
Most frequently asked questions.
How does the technology in the bedding work?
Outlast® technology is made of a unique material that can absorb, store and release excess heat. As an individual’s skin temperature increases, the technology will absorb that excess heat to help reduce overheating. The material will store the excess heat until the skin temperature begins to drop. When this occurs, the stored heat is released back to the individual to prevent chill. By managing the build-up of heat and moisture under the covers, Outlast® technology helps keep you at a comfortable temperature so you sleep “just right.”
How many degrees cooler will this keep me?
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.
What's the difference between Slumber Cloud bedding and other "cooling" bedding I might have tried?
Slumber Cloud takes a proactive approach to temperature control by absorbing and storing excess heat when temperatures are too warm and releasing heat when temperatures are too cold. This approach is different than most other "cooling" bedding technologies/products on the market that are moisture-wicking (ex. Bamboo & Eucalyptus). Moisture-wicking is a reactive approach because it doesn't start to cool you down until you build up sweat and moisture and then wicks it off of you. Our products are designed to prevent you from ever getting to the point of sweating and building up moisture.
Will this pillow work with my sleeping position?
Side, back, and stomach sleepers can rejoice. With zippered side gussets that change the firmness and two separate removable inserts, this pillow should work for all sleepers no matter what your go to sleeping position is. Here are our recommendations depending on your sleeping position.
- For back sleepers: Use both the memory foam and fiber fill insert, on whichever side you like best, and keep the gussets zippered
- For side sleepers: Use both both the memory foam and fiber fill insert, on whichever side you like best, but unzip one or both of the gussets
- For stomach sleepers: Take out either the memory foam or fiber fill insert and unzip the gussets
Can I put a pillowcase over my pillow?
Yes, we want your bed to look nice and match the rest of your linens so we made sure the technology inside our pillows will still work even when used with a pillowcase.
Which one is cooler, the UltraCool or Core pillow?
True to its name, the UltraCool pillow is going to be the "cooler" of the two pillow options. Although you will still get great temperature control with the Core Pillow, this is designed more for sleepers who would prefer a traditional pillow with a modern temperature-regulation technology added in.
How do I wash my Adjustable UltraCool Pillow?
To wash your UltraCool Pillow, please follow the washing instructions on the tag of each component. If you have cut your tags after purchase, then it is recommended to wash the outer shell and inner down alternative insert separately with Slumber Cloud Free & Clear Laundry Detergent or a mild detergent in cold water on a delicate spin cycle. Do not wash the memory foam insert in your home washer - instead spot clean as needed.
When it’s time to dry your outer shell and inner down alternative insert, please dry them on low heat or air dry. Do not iron any part of your UltraCool Pillow. To reduce wrinkling, take your UltraCool Pillow out of the dryer and immediately place them on your bed or use a wrinkle release spray such as Iron In a Bottle for that crisp and finished look.
Can I use an iron on my bedding?
The technology in our bedding is sensitive to high heats - instead of ironing we recommend using a wrinkle release spray such as Iron In a Bottle for that crisp and finished look.
How do I sanitize my bedding?
How should I remove stains?
Please refrain from using harsh chemicals such as bleach and oxiclean on your bedding. Instead opt for more natural alternatives such as a small amount of dish soap, a warm water & vinegar solution, or specialty formulated laundry detergent such as Dropps
Does Free Shipping Apply To International Orders?
Free shipping is only valid for US and Armed Forces delivery addresses. However, we do offer discounted shipping rates to Canada addresses.
Do you ship internationally?
Currently, we only ship internationally to Canada. At the time of purchase we include the cost of shipping, taxes, and duties for Canadian shipments. No additional fees will incur at delivery, but if they do please contact our customer service team at info@slumbercloud.com to take care of the issue. For all other countries, if you find a forwarder or have a friend or family member here in the states, we would be more than happy to work with you to get it there.
Can I still return an item even if it's been washed?
We accept returns in any condition within 60 days of purchase! We want you to absolutely love your new bedding, so if you wash an item, try it out, and decide it's just not for you, we can definitely still initiate a return. Please note we do our very best to donate all returns to local charities instead of a landfill. We appreciate your help in this process by washing any used items before returning them to us.
Are shipping fees covered for returns?
All shipping fees for domestic returns are completely free! When you initiate a return through our returns platform, you will receive a prepaid shipping label to get the item back to us. If you live outside the US and are looking to initiate a return, please check out the return policy in the International FAQs.
How do I initiate a return?
If you're looking to initiate a return, just head over to our returns page! Please note that we are not able to process returns for items listed as Final Sale or past the 60 day return period.
What is your return policy?
Bedding: All bedding products, excluding “Final Sale” items, come with a 60-Day Satisfaction Guarantee. Sleep on it, wash it, and really test it out - If you are not fully satisfied with your new bedding you can return the item(s) within 60 days of your purchase date, no questions asked. A refund will be issued, within 7 business days of receiving the returned product.
Final Sale: Final Sale are not eligible for return, exchange, or the 60 night trial period.
Apparel & Home: Items in new and unopened condition are eligible for a return or exchange within 60 days of purchase. In the event of a return or exchange, our team will inspect the item and if determined it is new, a refund or exchange will be issued within 7 business days of receipt. If the item is in used condition, missing tags, or has been removed from the packaging, the return or exchange will be voided and the product donated to a local charity.
Are your products covered by a warranty?
Yes! All of our products are covered not only by the 60 night trial period but also a 180 day warranty which covers manufacturers defects (i.e. stitching, sizing). Please note in addition to damage caused by disregard of care instructions, temperature performance is not considered a manufacturers defect or covered by the product warranty.
Free Shipping & Returns
All U.S. orders are shipped right to your door, free of charge.
Try it For 60 Nights
Sleep on it, wash it, and really put it to the test for two whole months! If you don’t love your new bedding, just return it for a full refund. No questions asked!
Imagine what the world would be like if everyone got a good night’s sleep.
