For what I've noticed, the skins from the Campfire Tales Skin Pack are glitched and appear cut in half in multiple occasions.

I've encountered this bug with two skins: Rancid Anne and Ol' Diggy.
These are the free skins, since I don't own the pack in the Windows 10 Version. I do own the skin pack in the Nintendo Switch so I might try it out later and add to the comments any other skin if it happens there too.

The character looks deformed when sneaking.
Cut in half when in the swimming stance and sleeping.

I tried a few other skins but I did not find the issue. Ironic since this is a good pack for Halloween, making it even more morbid in this time of the year.

I hope it isn't a hard fix and that it gets fixed soon since Rancid Anne is one of my - if not the one - favorite skins.

EDIT: Corrected Skin pack name.