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The Fleece Company Difference

5 Reasons People are Ditching Their Polyester Blankets

It’s on roughly 8 in 10 UK beds. New research is making a lot of people look at it differently, and then change it.

There’s one thing you’re in contact with more than almost anything else you own. The blanket that’s up against your skin for seven or eight hours a night. A run of recent research has handed people a concrete reason to rethink what that blanket is made of. A run of recent research has handed people a concrete reason to rethink that default. 

Here are the five reasons behind the switch, and the blanket that actually fixes it.

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1. Synthetic blankets shed microplastics, and fleece sheds the most

Synthetic fabrics constantly let go of tiny plastic fibres as you use and wash them. And of every fabric type scientists have tested, fleece and fluffy looped knits shed the most. The cosy texture is exactly what lets the fibres break free. So the softest, fluffiest synthetic blanket is usually the one giving off the most of itself.

2. Your bedroom is about the worst place to be breathing them in

Air inside our homes holds more microplastics than the air outside, coming off clothing, furniture, soft furnishings and blankets. One 2025 study reckoned adults may breathe in around 68,000 particles a day from indoor air, roughly a hundred times more than expected, and we spend about 90% of our time indoors. A small room with the door shut, full of soft furnishings, with your face inches from the most shedding-prone fabric of the lot, is about as concentrated as it gets.

3. That cosy synthetic feel hides a heat problem 

Synthetics feel warm fast because they trap. A sealed, non-breathable pocket of warm air against you. Lovely for ten minutes, and the reason a lot of people wake up too hot and clammy a few hours later. The fabric that sheds the most tends to run the hottest too.

4. There's a better way & The fix is the material

You don’t need a purifier, a special detergent, or a fibre-catching laundry ball as a workaround. Natural fibres don’t shed microplastics because there’s no plastic in them to shed. What comes off cotton is cellulose, a plant fibre. One thing to watch: most “cotton” bedding is quietly cut with polyester to save money, and blends shed too. The clean answer is 100% cotton, no synthetic in it.

5. Temperature-Regulating, Naturally

The Muslin Blanket by The Fleece Company is built around exactly this. 100% open-weave muslin cotton, no polyester, no blend. Oeko-Tex Standard 100 certified. It breathes instead of trapping heat, sheds only soft cotton, and gets softer with every wash as the fibres relax, which is the opposite of how synthetics age. More than 400,000 people have switched, and the return rate sits below 2%.

What Real Shoppers Are Saying

"I sleep comfortably without overheating, and it looks beautiful on my bed every single night."

Nicole

verified customer

· Muslin Blanket

"So light but it still keeps me warm - and it actually gets softer every time I wash it."

Sonia.

verified customer

· Muslin Blanket

"Lightweight yet cozy, perfect year-round. It drapes nicely, washes well, and feels even softer over time."

Erin C.

verified customer

· Muslin Blanket

"I wanted a blanket that felt nicely textured without feeling flimsy, and this one gets it right."

Grace

verified customer

· Muslin Blanket

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