Why is wearing sweatpants in public socially unacceptable/looked

The New Rules for Wearing Sweatpants Outside Your Home, According to Celebrities

Ugh Why isn't it socially acceptable for guys to wear leggings in public They're so comfy and look so good! 😍💝 : r/StraightFemboys

As A Plus-Size Woman, I've Been Taught Not To Wear SweatpantsHelloGiggles

If you wear sweatpants all day, every day, is it a sign you've given up? - Quora

Can I wear sweatpants every day? - Quora

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Clothes You Shouldn't Wear as a Tourist in Europe: The Unspoken Rules of Travel Fashion

Five Socially Acceptable Ways To Wear Sweatpants In Public

Is it ugly to wear socks while wearing jogger pants? - Quora