It just looks like a plain black hoodie with a white stripe down each sleeve and a star on the chest.
unless I'm missing something, it doesn't look like it'll be a leather material like the female black rock shooter, so...maybe just get a plain hoodie and sew on the white strips/star?
2015 Convention plans:
Planned cosplays: Wiccan- young avengers
Klarion Bleak the Witch Boy