The thick, lean skin fits close to the body. It is thinner on the head, throat, groin, under the arms, and on the back parts of the body. In the elbow folds, it is soft to the touch. When the head is carried low, there is a fold that descends from the outer corner of the eye over the cheek. This fold ends in a tuft of hair.
Skin pigmentation varies according to the coat markings color.
Coat color must correspond with the color of the external mucous membranes. Any black coat coloring. The height range for males is from 23 to 27 inches. The height range for females is from 23 to 25 inches. The weight range for males is from 70 to 81 pounds.