Ideally, males 23 to 27 inches at the withers; bitches 22 to 25 1/2 inches
All uniform colors are permitted except white. The colors are black, various shades of gray, and various shades of tawny. The deeper shades of each color are preferred. Combinations of two of these colors are permitted, provided there are no marked spots and the transition from one color to another takes place gradually and symmetrically.