Why is polyester often added to cotton cloth, even if only in tiny few percentage quantities?

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I often see on clothes, bags, sheets, etc. a few % of polyester in the cotton cloth label. What does this mean and why do they do it? Are they weaving one out of every few strands out of polyester? Or is the fiber itself made of a few % polyester in composition? And what does it do for the cloth?

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Anonymous 0 Comments

Just adding that wool cotton blends used to be the norm for some of the same reasons that cotton poly blends are the norm now.

The hand is better, the garment wears longer, doesn’t wrinkle as easily, and is warmer that straight cotton when wet. I bought a long sleeve button down shirt blend for a one bag two week trip this spring, Along with a cotton wool blend t shirt, a light parka, a clothesline and some Dr. Bronner’s I was good for 40-95 f for a week and a half.

It might be a trend. Ice Breaker and some other wool centric companies showed up when I started searching.

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