The Old English Sheepdog stands lower at the shoulder than at the loin, and walks with a 'bear-like roll from the rear'.Height at the withers is at least 61 cm (24 in), with females slightly smaller than males. The body is short and compact, and ideal weights are not specified in the breed standards, but may be as much as 46 kg (101 lb) for large males.Colour of the double coat may be any shade of grey, grizzle, black, blue, or blue merle, with optional white markings. The undercoat is water resistant.