In Minecraft has a probability that the zombies and the skeletons spawn with armor part or a echanted arrow or sword, but this probability has been deleted in 1.8 and in the snapshot 15w51b.
MC-94824
The Probability that the zombies and the skeletons spawn with a armor part has been deleted
Resolved
Cannot Reproduce
0
Cannot confirm. In our 1.8.9 mob farm there are a lot of zombies and skeletons spawning with chain, leather, and gold armor and weapons. Often even enchanted.