Girls, Can you help me with recommendations for women's pants?

I am being serious with this question and would really appreciate helpful answers without judgement.

Jeans, leggings, shorts mostly. Any recommendations would be awesome, especially women's clothing that can handle a serious gym session. I want to try out women's clothes and see if I like them. Also, I've been really working my lower body. My glutes, hamstrings, quads and inner thighs are now comparable with a lot of ladies who train hard at the gym to target those specific areas. I even have the "shelf" look.

Also, when it comes to leggings like Paragon, Halara and others that promise to flatter your rear, are you supposed to wear underwear under them or would that take away from the effect?

Girls, Can you help me with recommendations for women's pants?
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