Board Thread:Spoilers!/@comment-9241531-20150811165057/@comment-1916997-20151014044942

Found a link with some pictures:

http://www.screenspy.com/whatshot/once-upon-a-time-5x04-images-the-broken-kingdom/nggallery/image/140358_2878/#gallery

Anyway, I think they may have used the same jacket as Jack wore, but I don't think Gwen will be wearing the exact same thing. It was a bit lazy of the costume department, but canon-wise maybe Gwen and Jack buy their clothes from the same tailor. I mean it's not like we wear one of a kind clothes in our world.