Shop here for unique and fun t-shirts inspired by the Kerry Blue Terrier dog breed. Kerry Blue Terriers, also known as Irish Blue Terriers, were first developed to control vermin like rats and hares. The breed is also sometimes employed as a working cattle herder or a guard dog. This relatively uncommon breed of dog is also makes for a fine family pet, known for their loyalty and affection towards their human families. Find unique Kerry Blue Terrier t-shirts here!