The coat is short and harsh, with a tight topcoat and a soft, dense undercoat. The hair on the foreparts of the legs is slightly longer than that of the neck, chest and back parts of the hind legs. Fur color varies from grey, greyish brown and greyish yellow to reddish brown, with darker hair on the back, neck, and sides of the body. Lighter hair in the same shade of color as mentioned above can be seen on the muzzle, throat, chest, belly, buttocks, feet and hocks. They have lighter markings on their shoulders, also known as harness markings. Some dogs have white patches which appear, to a small extent, as a narrow blaze, neckstop or slight necklace, as well as having white markings on their fore and hindlegs and on the chest. The maximum is 30% white.