I wear commandos. Basically the purpose of underwear is to have a cotton crotch. Commandos are the cotton crotch without the rest of the underwear. They are soooo comfortable, I wear them when exercising and regularly. PS they're a godsend in yoga. I thought they sounded gross at first but now I have a drawer full of a zillion panties and thongs that I never wear. I have suggested them to all of my friends. I'm not sure what stores carry them but I got them at www.gocommandos.com.