Appearance: Body, well balanced, strong, muscular, agile & active, with elegance & soundness with no tendency towards massiveness. Dark or amber eyes in accordance with nose colour which can be black or brown. Ears hang to the side of the head. Tail moderate length. All should have the unique ridge on their back.
Temperament: Dignified, intelligent, aloof with strangers, but showing no aggression or shyness.
Characteristics: The ridge is unique of the breed. The ridge must be clearly defined, symmetrical and tapering towards the haunch. It must start immediately behind the shoulders and continue to the hip (haunches) bones. The ridge must contain only two crowns, identical and opposite each other. The lower edges of the crowns must not extend further down the ridge than one-third of its length. A good average width of the ridge is 5 cm (2ins).