>>2482966Sports largely become bottomless for girls or there are time limits for how long you can wear “restrictive” clothing. Of course outside of school students can do as they please in regard to undergarments. In the US there are differences between states or even districts with private and charter schools doing their own thing. This results in lots of confusion without adding in the general incompetence/power tripping of schools (US experience here again).
In the picture two schools teams with different policies are competing. The home team hit their limit for how long they can wear spats because the game dragged out.