Personalized Think Libertarian Youth T-Shirt. I think, therefore I am a Libertarian! Think for yourself. Take care of yourself. That's the Libertarian way. Great gift for your favorite Libertarian! 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.