Personalized Coolest Mom Ever Youth T-Shirt. Coolest mom ever! Who's the best mom? This lady! Two thumbs up for this mom. Funny shirt for your favorite mother! 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.