"It's the first topper that actually kept me cool through the whole night. I used to wake up sweaty at 3 AM, but now I sleep straight till morning. Hot sleepers, this is a lifesaver!"


Cooler Nights, Deeper Sleep


Waking up drenched in sweat or tossing all night trying to find the “cool side” of the bed? You’re not alone. Overheating during sleep is one of the most common (and most overlooked) reasons people wake up feeling exhausted instead of refreshed.


Here’s the truth: you’ll spend over 230,000 hours sleeping in your lifetime. And if you’re overheating for even half of those, that’s a serious hit to your comfort, recovery, and overall health.


So let’s be real. You could grab a cheap memory foam topper right now and call it a night. But if it traps heat and turns your bed into a sauna by 2 a.m., what’s the point?


We built the Dosaze ThermaCool Mattress Topper for people who are tired of sleeping hot. Literally.

Love Your New Cooling Topper or Your Money Back!

Love Your New Cooling Topper or Your Money Back!

Our 60-night sleep trial has Free Returns (no return fees or hidden costs) plus a Satisfaction Guarantee! If you don't love it after 60 days, just reach out to our support team, and we'll help initiate the return process.

Contact us at: support@dosaze.com

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Bamboo Sheet Set


Dimensions for fitted sheet:

  • TWIN: 39″ X 75″ X 18″ - (99CM X 191CM X 46CM)
  • FULL: 54" X 75" X 18" - (137CM X 191CM X 46CM)
  • QUEEN: 60″ X 80″ X 18″ - (152CM X 203CM X 46CM)
  • KING: 78″ X 80″ X 18″ - (198CM X 203CM X 46CM)
  • CAL KING: 72″ X 84″ X 18″ - (183CM X 213CM X 46CM)
We’ll be honest—the Dosaze ThermaCool Mattress Topper isn’t the cheapest option. But if you’ve ever struggled with overheating, night sweats, or tossing and turning just to find the “cool side” of the bed, you already know how valuable real cooling comfort is. Hot sleepers lose more than just sleep—they wake up groggy, dehydrated, and restless. Over time, those restless nights affect everything: your mood, energy, and focus. ThermaCool’s proprietary heat-dissipating technology is designed to pull excess warmth away from your body and maintain a consistent, breathable sleep surface—so you stay cool, dry, and deeply asleep all night long. You spend one-third of your life in bed. Why settle for waking up sticky and exhausted? ThermaCool is built to last, with high-quality materials and multi-layered construction that keeps performing night after night—even in the hottest months. If cool, uninterrupted sleep matters to you, the ThermaCool Mattress Topper is worth every degree.

Holiday Sale

FREE Orthopedic Neck Pain Relief Pillow ($130 Value)

with every mattress topper purchase!

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Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
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Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
Dosaze ThermaCool Mattress Topper
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Dosaze ThermaCool Mattress Topper

The Best Cooling Mattress Topper for Hot Sleepers
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FREE Our Best-Selling Contoured Orthopedic Pillow

Designed to support your neck and relieve pressure.

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Designed for Cooling Comfort. Built for Real Sleep.

Sleeping hot isn’t just uncomfortable—it’s disruptive. Tossing, sweating, and flipping your pillow all night makes it nearly impossible to get the rest your body needs. That’s why we created the ThermaCool Mattress Topper, engineered with advanced graphite-infused ThermaCool Bands and breathable foam to regulate temperature and wick away heat all night long.

Unlike other toppers that only feel cool for the first hour, ThermaCool is designed to pull heat from deep within the body’s pressure zones—where overheating actually starts. No gimmicks. Just real, sleep-changing technology backed by real science.

The Dosaze ThermaCool Difference means:

🧊 12+ hour Active Cooling with ThermaCool BandsTechnology – science-backed thermoregulation

🌬️ Breathable airflow design – no more stuffy, heat-trapping foam

💤 No more overheating at 3 a.m. – just deep, restorative sleep

🛏️ Extends the life of your mattress while enhancing comfort

🔒 Non-toxic, CertiPUR-US® certified foams for safer, healthier sleep

🌱 Hypoallergenic bamboo-derived cover – soft, cool, and washable

Say goodbye to night sweats and hello to cool, uninterrupted sleep.

  • Free US & Canada Shipping
  • 60 Night Sleep Trial
  • 3-Year Warranty
  • Non-Toxic For Safer Sleep

Finally, Real Cooling Relief!

"I've tried so many 'cooling' toppers that failed after an hour. This one actually stays cool all night. The cooling strips make a huge difference, and the bamboo cover feels soft and fresh!"

Maddie M.
Verified User

Best Purchase Ever

"Best purchase I’ve made in a long time. I finally sleep through the night without overheating. It stays perfectly in place and gives the perfect mix of support and cool comfort."

John M.
Verified User

Feel Refreshed and Pain-Free

"I didn’t believe a mattress topper could make such a difference until I tried ThermaCool. I wake up feeling refreshed, sweat-free, and finally comfortable. Highly recommend!"

Emily S.
Verified User

Five Stars

"Transformed my old mattress into something I look forward to sleeping on every night. The cooling effect of the bamboo cover is fantastic. Five stars!"

David P.
Verified User

It Just Works

"I was skeptical, but this topper really works! My back pain has significantly reduced. Plus, no more shifting or adjusting in the middle of the night."

Jessica R.
Verified User

Redefined My Sleep Experience

"DreamAlign has redefined my sleep experience. I wake up feeling more rested and ready to tackle the day. Couldn't be happier!"

Michael T.
Verified User

Love This Topper

"Absolutely love this mattress topper! I wake up feeling great every morning. A must-have for anyone with back issues."

Olivia B.
Verified User

Best for Hot Sleepers

"I've tried other mattress toppers, but nothing compares to DreamAlign. It's supportive yet soft, and perfect for hot sleepers like me."

James L.
Verified User

Sleep Improved Drastically

"My sleep has improved drastically. I also appreciate how secure it stays on the mattress—no more slipping or bunching up."

Amanda G.
Verified User

Dream Come True

"This topper is a dream come true! Offers the perfect balance of softness and support. Highly recommend to anyone looking to improve their sleep quality."

Robert H.
Verified User
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Breathable Icy-Cold Cover
ThermaCool leverages advanced material science to provide superior breathability and cooling. Its unique molecular structure has a higher thermal conductivity than other fabrics, allowing it to pull heat away from your body
Gel-Infused Memory Foam Layer
This plush, blue foam layer cradles pressure points while enhancing ventilation. Infused with cooling gel, it disperses heat away from the body for an instantly refreshing feel the moment you lie down.
ThermaCool Bands
The real innovation: three targeted graphite-infused ThermaCool Bands embedded directly beneath the midsection where your body generates the most heat. These multi-layered bands absorb, conduct, and release heat, maintaining thermal balance exactly where it matters most.
Spine-Aligning Zoned Layer
This is where the spine-aligning magic happens. Zones of varied firmness to deal with the reverse rainbow, keeping your back pain-free for years to come.
Pebbled Non-Slip Bottom Cover
Get stable pain relief, no matter the surface. Easily fits on mattresses, pull-out couches, and more, without slipping or sliding as you sleep.

Us vs. Them

We get it—every mattress brand claims they’ve “nailed cooling.” But here’s the truth: in a lab test comparing the ThermaCool Mattress Topper to a regular topper, weighted heat was applied to both for hours. The result? The Dosaze™ ThermaCool Mattress Topper stayed an impressive 6.94°F cooler than the regular topper.

This isn’t marketing fluff—it’s science. With its gel-infused memory foam, breathable bamboo cover, and embedded ThermaCool Bands, heat is pulled away from your body where it builds up most, while the supportive base layer keeps your spine in healthy alignment. That’s why it’s perfect for side sleepers, back sleepers, and anyone tired of waking up hot and sore.

If you want real cooling and real support—not empty promises—ThermaCool is for you.

What Makes Us Different?

We make magic happen on the bed. Here's how we do it:

  • Built-in Cooling Power.
    Tired of “cooling” toppers that only feel cool for the first 15 minutes? The ThermaCool Mattress Topper features embedded graphite-infused ThermaCool Bands, a breakthrough in thermal regulation technology. These multi-layered strips are placed below the surface, where your body generates the most heat, pulling it away to help prevent overheating and night sweats. It’s targeted, long-lasting, and doesn’t fade while you sleep.

  • Layered for Breathable, Pressure-Relieving Comfort.
    We combined a cooling bamboo poly-blend cover with 3 inches of premium CertiPUR-US® certified memory foamto deliver airflow-enhanced comfort and gentle, body-contouring support. Whether you sleep on your back, side, or stomach, it keeps you aligned and cool without sinking too deep or trapping heat.

  • Secure + Fastened.No more waking up to a topper that’s bunched up or halfway off the bed. With reinforced elastic securing bands at all four corners, the ThermaCool topper wraps tightly around your mattress and stays in place, no matter how much you move. Just set it and sleep cooler.

Cooling bamboo cover: Bamboo poly-blend

Foam:3-inch premium CertiPUR-US® certified memory foam

Cooling Strips:Graphite-infused ThermaCool Bands

Corner Bands:Elastic securing bands

All orders can be returned within 60 days from delivery. We offer a 60-day night sleep trial on all orders, so you are welcome to return the topper, even after you have used it.

If you're not in love with your purchase during this time period, you have the option to return It to us for a full refund. Simply reach out to support@dosaze.com to initiate a return.

Twin: 37 x 74 x 3

Twin XL: 37 x 79 x 3

Full: 54 x 75 x 3

Queen: 59 x 79 x 3

King: 75 x 79 x 3

Cal King: 71 x 83 x 3

Engineered for Heat Zones, Not Just Surface Cool

It’s easy: real cooling where it counts, and premium construction that lasts. Most “cooling” toppers only treat the surface and stop working after an hour. Dosaze embedded ThermaCool Bands exactly where your body generates the most heat, so you stay cool all night, not just at bedtime. Plus, it’s built with breathable, gel-infused memory foam and a bamboo cover for airflow, comfort, and pressure relief.

6.94°F Cooler, All Night Long

Independent testing proved the ThermaCool™ Mattress Topper can lower surface temperature by up to 6.94°F, even under continuous body heat. This isn’t a quick burst of cool but sustained, targeted thermal control designed to keep you comfortable for hours.

A Mattress Makeover

Give your old mattress a makeover without a huge investment, or protect your new mattress for years to come. And with a 60-night risk-free trial and 3-year warranty, there’s nothing to lose except your night sweats.

Luxurious Comfort. Incredible Sleep.

★★★★★

I love it. Turned my old mattress into something I look forward to sleeping on every night.

Kaitlyn
USA
★★★★★

It's cooling, comfortable, and just plain awesome. Way easier than buying a whole new mattress, too.

Erik
USA
★★★★★

It's like my mattress had a whole makeover. 10 stars if I could.

Ellen
USA
★★★★★

I can't believe how well-priced this topper is compared to the competition. It is just as good, if not BETTER than some that cost twice as much.

Jeanette
Los Angeles, CA

Frequently Asked Questions

It's easy: targeted support and long-lasting quality.

Other brands just ship you a rolled-up piece of scrap foam. Dosaze hand-crafted our zoned topper for targeted pain relief where you need it, and extreme comfort everywhere else.

Plus, we offer a risk-free trial and 3-year warranty, so there's literally nothing to lose and only good sleep to gain.

While we wish our topper was small enough to fit in a washer, our high-quality foam isn't designed to get wet. Aside from using a Dosaze Mattress Protector, here's how you can clean it.

We recommend lightly misting with a mixture of dish soap/baking soda, and water to remove odors as needed. You can also vacuum or steam the topper as often as you'd like, just be careful not to saturate or soak it.

We have a 60-day satisfaction guarantee. We pride ourselves in the quality of our products, so we want all our customers to be happy. If you have an issue, please contact our customer support team at support@dosaze.com.