Origin of the Jack Russell Terrier Evolution History Meme Design shows the evolution of the Jack Russell beginning with a T-Rex Dinosaur Tyrannosaurus until todays cute little Terrier dog breed. Perfect gift for biology teacher, student, dog mom, dog dad, dog walker, dog breeder, dog hairdresser, dog trainer who love Jack Russell Terriers, JRT puppy and all kind of dog breeds. Great to wear at dog birthday party or International Dog Day. Crafted from a unique 40 singles tri-blend fabric, offering a lightweight, ultra-soft feel Classic crew neck design with side-seam construction ensures both comfort and a flattering silhouette Lighter colors are semi-sheer