I spotted a lot of people wearing this jacket with dinosaur print but at first I couldn't find it.. But now I did find it. Some other site's already posted on the jacket but no one mentioned Yoseob (Beast) wearing it. He wore it on ep 21 of Oh my school.
Other celebs who wore this jacket are: Minzy (2NE1), Krystal (F(x)) and Victoria (F(x))
Here is the video: