Back in the ‘70’s when I began my flying career, people dressed more respectable. Each year since, it seems that dressing for travel has gone downhill. Most people in first class still dress appropriately, except for those passengers that get bumped using their miles.
Women seem to dress nicer or more appropriate then men. Young guys generally dress in jeans and t-shirts. In the summer, shorts, muscle shirts and flip flops or slides. I never cared what people wore, but thought that it would be nice if they combed their hair. Some guys look like they rolled out of the sack and rushed to the airport. Note to guys: At least comb your hair, brush your teeth and spray on a little cologne.