All perfect praise be to Allah, the Lord of the worlds. I testify that there is none worthy of worship except Allah and that Muhammad is His slave and Messenger.
You do not have to stop wearing those hoodies as long as they are permissible, but you have to stop befriending non-Mahram (marriageable) women, because relationships between boys and girls under the name of friendship and so on is a door to temptation and a cause that leads to corruption and evil.
For more benefit, please refer to fatwa 81356.
Allah knows best.