Nathan and Erik(Upside Down Skins) Sneaking Bug

When Sneaking the head isn't on to the ground making it seem like the player is floating.

Expected Results: The head is supposed to be on the ground.

Actual Results: The head is not on the ground making it seem like the player is floating

How to recreate:

1. Equip the Nathan or Erik skin in the 3rd Birthday Skin Pack.

2. Open up a world.

3. Go to third person(front or back).

4. Sneak

5. Observe