CloudCool Cooling Sheet Set

The perfect sheets don't just feel amazing when you climb into bed, they stay that way all night.

The CloudCool™ Cooling Sheet Set is made from buttery-soft cooling fibers that instantly pull heat away from your body while releasing excess moisture for a cooler, deeper sleep. Silky smooth with just the right amount of stretch, they feel like your favorite loungewear but for your bed.

Unlike traditional sheets that wrinkle, bunch, and pop off the corners, mellow's adaptive stretch design hugs your mattress for a smooth, tailored fit that stays perfectly in place from bedtime to morning. No slipping. No loose corners. No waking up tangled in your sheets.

Thoughtfully designed to help you sleep cooler and more comfortably, every detail (from the breathable fabric to the wrinkle-free finish) was made to turn your bed into your favorite place to be.

Premium Cooling Fiber Blend
Made from our CloudCool Cooling fabric that feels incredibly smooth while naturally helping release heat and moisture.

Breathable Moisture-Wicking Fabric
Engineered to promote airflow and pull moisture away from your body so you stay cooler, drier, and more comfortable all night long.

Adaptive Stretch Construction
A flexible knit gently conforms to your mattress for a tailored fit that stays smooth without bunching or slipping.

Machine wash cold. Tumble dry low.

What comes in the sheet set?
Every set includes:
1 Fitted Sheet
1 Flat Sheet
Pillowcases
Twin XL: 1 Standard Pillowcase
Full & Queen: 2 Standard Pillowcases
King & California King: 2 King Pillowcases

Are these actually cooling?
Yes. Powered by mellow's proprietary CloudCool™ Cooling Technology, the breathable cooling fibers are designed to pull heat away from your body while releasing moisture, helping you stay comfortably cool for the perfect night’s sleep.

Will the fitted sheet stay in place?
Absolutely. Our adaptive stretch construction hugs your mattress to help prevent slipping, bunching, and loose corners throughout the night.

Do they wrinkle easily?
No. The naturally smooth stretch fabric is designed to stay flat and wrinkle-free, so your bed looks freshly made with minimal effort.

Are they good for hot sleepers?
Definitely, these were made with hot sleepers in mind! The breathable, moisture-wicking fabric helps reduce trapped heat and sweat, making them perfect for anyone who sleeps warm.