Samfoo not allowed in church

This lady in her beautiful pink samfoo was shocked to be told that she would not be welcomed for Sunday mass at the Church of St Anthony in Woodlands. The church has some dress code like wearing of skirts that should not be more than 5cm above the knees. The samfoo is a proper Chinese pant suit that ended 5cm above her ankles.

Let me see what is so offensive about the samfoo. Maybe the warden