If you sleep hot or wake up sweating, you've probably heard about cooling blankets. But what makes a blanket "cooling" and do they actually work?
What is a cooling blanket
A cooling blanket is made from fabrics designed to feel cool to the touch and help regulate your body temperature while you sleep. Unlike regular blankets that trap heat, cooling blankets transfer heat away from your skin or let it escape.
How cooling blankets work
The best cooling blankets use thermal conductivity — certain fabrics like nylon pull heat away from your skin faster than others. When you touch a nylon cooling blanket, it feels cool because it's absorbing your body heat. This is measured by Q-Max rating. Anything above 0.35 is genuinely cooling.
Breathability also matters. Some fabrics like bamboo or cotton let heat escape instead of trapping it underneath.
What fabrics are used
Nylon is the most thermally conductive. It feels noticeably cooler than cotton or polyester and maintains that cooling sensation longer.
Polyester is cheaper and commonly used in budget cooling blankets. It doesn't cool as well and can trap heat.
Bamboo-derived viscose is breathable and moisture-wicking but doesn't have the instant cool-touch feeling.
Cotton is breathable but doesn't feel cool on contact.
Do they actually work
Yes, if made from the right fabric. A nylon cooling blanket with a high Q-Max will feel noticeably cooler than a regular blanket. The cooling sensation is strongest when you first touch it or shift positions. This is normal for passive cooling fabrics.
A cooling blanket won't feel ice-cold all night like AC, but it will help you stop waking up drenched and overheated.
What to look for
Look for 100% nylon cooling fiber or bamboo viscose. Avoid vague terms like "cooling technology" without specifics. Make sure both sides cool — many cheap blankets only have one cool side. Weight should be light but substantial, not paper-thin.
Who should use one
Anyone who sleeps hot, wakes up sweating, or deals with night sweats. People going through menopause or perimenopause. Hot sleepers who can't fall asleep without a blanket but overheat under one.
The Cloud is made from 100% nylon cooling fiber with a Q-Max of 0.4. Cool on both sides, breathable, and lightweight for year-round use. Shop The Cloud