Originally Posted by
tfar
ESo by inappropriate I mean [...] clothes that one should simply not wear outside of the confines of one's own home because they are strictly leisure wear.
What if one is doing leisure time activity outside the home, or flying to a leisure destination?
Because temperature inside the plane or at the destination may not be very predictable, dressing to be able to handle various temperature conditions (e.g. layerable clothes) makes the most sense.