Personalized Mito Awareness 1 in 4,000 Youth T-Shirt. Green ribbon Youth T-Shirt - Kelly Green for Mitochondrial Disease awareness has 1 in 4,000 slogan. Personalize with a name. September has Mito awareness week. 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.