Jaejoong the leopard!
So I read this article from Allkpop, and read that Jaejoong (along with his new hair color!) was wearing a colonize jacket.
It is Colonize's 2009 Fall/Winter collection's Leo Rider Jacket in black.
Go here to see it on Colonize's homepage. (Korean) it's sold for W149,000
Credits: Allkpop, K-World style
Picture Sources: Allkpop, credit as tagged.
