First thought : that's got to be horribly uncomfortable with tight jeans.
Second thought : damn, how did you manage to shoot it like that? With the foggy (for lack of a better word - I'm not a born writer) reflection and smooth background? I guess the levitating underwear is because it is flat on a surface and you're shooting from above? Can share or trade secret?
Sorry lah. The technique is being used for a commercial project.