Personalized Entlebucher Mountain Dog Funny Patriotic Youth T-Shirt. Cute Entlebucher Mountain Dog with US flag sunglasses for a July 4th holiday party. 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.