In many cities and the whole state of Vermont total nudity is legal! You can walk around naked in San Francisco and no one will bat an eyelash. Low slung pants seems a tad silly to get your panties in a bunch over.
I admit Eoe, I did it myself in Frisco after it was legalized. Just for kicks, mind you. But I go to the local hot springs all the time and everyone climbs in naked with strangers and no one gives it a second thought.