You grow a thin coat of brown or golden-brown fur, similar to that of a small mammal.
Special
A creature with fur, scales, or chitin cannot gain this mutation.
Modern System Reference Document © 2002, Wizards of the Coast, Inc.; Authors Bill Slavicsek, Jeff Grubb, Rich Redman, Charles Ryan, based on material by Jonathan Tweet, Monte Cook, Skip Williams, Richard Baker,Peter Adkison, Bruce R. Cordell, John Tynes, Andy Collins, and JD Wiker.