Losib (ロシブ Roshibu?) is a clothing brand existing outside of Academy City that focuses on teens. They are apparently famous enough for the likes of Accelerator to notice that they are for teens.
Misaka Misuzu wear clothes from the brand, among others, such as Elmo, Scale, and Az.
- ↑ Toaru Majutsu no Index Light Novel Volume SS Chapter 4 Part 4