Usually these (live in SoCal, so it's always warm). If I'm going to the gym them I just add a baggy t-shirt and the material of the set actually works well to whick away sweat. The band in the middle holds stuff in too.

https://www.amazon.com/OQQ-Workout-Seamless-Leggings-Exercise/dp/B08SK12S23/ref=mp_s_a_1_8?keywords=Workout+Sets&qid=1645380781&sr=8-8