The Rise of Isengard NDA was recently lifted, so we can see beautiful screenshots from beta on the forums. I would particularly like to point you to the post by Jadzi who took a screenshots of the wonderful items highly usable as cosmetics:
Learned Stag robe:
Variety of Dunlending quest-reward cosmetics:
Jadzi also mentions: "Most quests in Dunland offer a choice between three pieces of yellow-grade gear, and these armor pieces are among them."
I think we have a lot to look forward to. Rise of Isengard launches on September 27th and I already can't wait to get those items and use them in my outfits! :)