I have 2 pair of these that I use for running and ballet. Great under running tights. Provide great support and no chaffing. I use them under shorts and less opaque tights for dance class. Again, great support and comfort. I have had them for 2 years of regular washing machine washing and they wear great. I have them in black, which work better for the black less opaque dance tights.
I would recommend a thong dance belt because this dance belt is so uncomfortable it cuts in your skin and it stops at an awkward place on your butt which isnt a good look, it has a lot of support but other than that I really do not like it.