Personalized Addisons Disease Awareness Message Support Walk Youth T-Shirt. Addison's Disease awareness message says hope, fight, research, overcome, strength, win, live on this Youth T-Shirt - White walk event gear. 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.