Abstract: A reversible dog coat for protecting a dog from the elements and for providing warmth and comfort is disclosed. The reversible dog coat comprises a material blank having an upper portion, a middle portion, and a lower portion. The upper portion has a first arm angularly protruding therefrom and a second arm angularly protruding from the upper portion and opposed to the first arm. The middle portion has a first leg horizontally protruding therefrom and a second leg horizontally protruding from the middle portion and opposed to the first leg. The material blank has four layers joined together by sewing; a first layer having a tightly woven exposed surface for weather and for wind resistance; a second layer having a tightly woven unexposed surface; a third layer having a highly insulative fill material disposed within a dead air space defined by the first layer and the second layer; and a fourth layer having a water resistant and an insulative property.