Personalized Born to be a Unicorn Youth T-Shirt. Born to be a Unicorn! You're cute, you love rainbows, you sparkle, and you're magical. You're basically a unicorn. 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.