Thailand is already man. Gentle ladies who did not what to do, so when I see manners samruam foreigners, not wearing panties out in public, it is very strange, and not appropriate for Thailand people.
Thailand has a gentle man who will do what it needs to muster a courtesy. So when I saw the foreigners do not wear a bra came out in public, it was strange and inappropriate for Thailand.
Thai is neat, polite, whatever you do, they have to be polite. So when you see a foreigner, not wearing a bra out in public is strange and unsuitable for Thai.