Presenting the classic herding dog, the collie. This is a Rough Collie, or Long-Haired Collie, the breed made famous by Lassie. These dogs are highly intelligent and eager to please, in addition to being loyal. Their one drawback seems to be that it's sometimes difficult to train them not to bark. But no worries! The one on this dog t-shirt will never utter a peep. You'll love this adorable dog t-shirt!