I am most definitely wearing underwear when I'm working out and wearing leggings even if I was rain shorts and wearing underwear or could you be sweating underwear is going to be there to catch it you know what I mean and I am yeah I like a lot of chafing if I don't wear underwear you know I mean like I'd like to pick up a guy when they were not that that might not like that She smells good but still need to be smelling all that