An animal blanket comprises a main body panel, an underbody panel and a set of fasteners. The main body panel drapes over a back of an animal, such as a horse. The underbody panel extends across a belly of the animal. The first set of fasteners releasably connect the main body panel and the underbody panel. In one embodiment, the main body panel comprises a barrel panel and a neck panel, and the underbody panel comprises a belly panel and a chest panel. A first side of the underbody panel is connected to the main body panel via the set of fasteners. In one embodiment, a second side of the underbody panel is also connected to the main body panel via the set of fasteners. In another embodiment, the second side of the underbody panel is connected to the main body panel via a stitched seam.