Coat does not show a strong tendency to curl or wave. No sculpted furnishings. The terrier is shown in his natural appearance not excessively groomed. Sculpturing is to be severely penalized. White, white with black or tan markings, or a combination of these, tri-color.
Colors are clear.
Markings are preferably confined to the head and root of tail. Heavy body markings are not desirable. Grizzle is acceptable and should not be confused with brindle. Movement or action is the crucial test of conformation. The terrier's movement is free, lively, well coordinated, with straight action in front and behind.