Personalized Border Terrier Mommy Youth T-Shirt. Dog Mommy Border Terrier Youth T-Shirt - White with paw prints, dog bone and doggy toys logo on a gift for the Border Terrier owner. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.