Today is National Underwear Day, and like many holy days, we often celebrate without knowing its true meaning. Don't let another year pass being unclear about your underpinnings - especially considering 99 percent of you are wearing them right now. (And if not, well, maybe you should be.)
We're exploring the wide yet sometimes very, very thin world of panties and breaking down the seven most common styles - sorry, no crotchless or C cups (we beg you not to Google Image search that) here.