wearing formal tell people ur professionalism, they need moeny
to buy those clothing which are usually expensive, second, when
they walk, people will feel like they got a lot of wind when they
walk, so not to let people imagine this, they will wear like normal
shopping wear as they can go shopping after their work or go
chiong, or else people see their face not happy, when the girl walk
anyplace, some idiot will just dun give way and elbow thier way
through, or even bang them, and in the end just act blurr and
waiting for trouble to come and act innnocent usually when they
think they are big size or they have frens around them to bully
those lil ones.. oh well thats my personal opinion