http://www.theyeshivaworld.com/news/General+News/33615/Minnesota+Yeshiva+Bochrim+Make+Kiddush+Hashem!.html
If the boys in the story on the front page were in jeans and parkas, they still would have done a great thing, however, the kiddush HaShem was because she recognized them as associates of a Yeshiva based on how they were dressed.