I have been hesitant to wear these things and I sure wasn’t going to buy a name brand for 4x’s the price to see if I liked them. I like them. I can use resistance bands without having to worry about ripping my hair off my legs. I don’t wear underwear with them, I don’t know if I should, but I can’t imagine they’d fit well if you did. I think I am going to try a little thicker of a pair to see if the hold in heat better. But, I’m gonna buy another set and try the 3/4 length as well.