What is Microfleece?

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  • Written By: Niki Foster
  • Edited By: Andrew Jones
  • Last Modified Date: 25 March 2017
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Microfleece, also called polar fleece or simply fleece, is a soft, napped, synthetic wool material often made from polyester. It was first manufactured in 1979 by Malden Mills, now called Polartec LLC, but the company did not patent the product, with the result that there are now many different makers of polar fleece. Fleece is warm like wool and similar in appearance, but it is much softer, lighter, and easier to wash.

Any product that can be made from wool can also be made with microfleece. It is used in jackets, hats, sweat pants, blankets, and many other products. Microfleece comes in four different thicknesses: micro is the thinnest and most flexible, followed by 100, 200, and 300.

Microfleece is also considered to be more environmentally friendly than wool. It is often made from recycled plastic bottles, and it is a vegan alternative to wool. Vegans refrain not only from eating meat, but from using any animal products, including wool. Microfleece is also a great alternative for people who are allergic to wool, or those with sensitive skin.

Microfleece is also hydrophobic, or water-repellent, making it quick to dry and warm even when wet. When fully soaked, microfleece holds only one percent of its weight in water and remains breathable. Its hydrophobic properties make it good for wicking away sweat, so fleece is a great material for active wear.

Fleece has a few disadvantages as well. Depending on its quality, microfleece is not always durable. It can be especially susceptible to pilling and tears. Fleece also generates a lot of static electricity, making it a magnet for hairs and dust. It is also not always windproof, though denser forms of fleece and fleece products with windproof linings are available.

In addition, though fleece is easy to machine-wash, it can be damaged by improper care. If washed in hot water, tumble dried, or ironed, polar fleece can be ruined. A cool iron can be used if necessary. Polar fleece is also one of the most flammable clothing materials, especially compared to natural fibers like wool. Many fleece products are treated with a fire retardant to compensate for this.


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Post 4

"It is also not always windproof" is not correct. Fleece is never windproof. A manufacturer of fleece clothing may add some windproof lining to make the garment windproof, but fleece itself is not a windproof material.

"Fleece also generates a lot of static electricity". Which I call a plus! In winter time, when the air is dry, it's fun to take off your fleece sweater over your head in a dark room. If properly charged you can actually see a huge amount of tiny little sparks in the material if you look up as you pull the sweater over your head. Call it infantile, but I like that.

Post 3

@Denha, I agree. similarly, microfleece jackets are a great middle layer for slightly cold days, or even to wear under a heavier coat on very cold days.

Post 2

I really like light microfleece, especially for blankets. It adds warmth without adding too much bulk, and is good on in-between days, when it's not too cold for a big comforter but not warm enough to not have any sort of blanket.

Post 1

I love sewing with micro fleece myself. I got this amazing animal print from Yourfleece at a really great price. I love the blanket I made for my grandson!

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