This is the amazing Arboreal Skin from Fallen Gods.
The best part is that it's free until the 30th of September if you can find your 100% match on the Fortune Teller. You get both male and female versions as your gift. Make sure you take a bunch of friends, it's so very worth it.
Hair - Savage in Geode by Exile
Taken at the new Wasabi Pills sim, Neverwhere.