Personalized Cow Jumped Over The Moon Youth T-Shirt. Mother Goose nursery rhyme has that famous cow jumping over the moon on a Youth T-Shirt - Neon Pink you can personalize. 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.