Personalized Mitochondrial Support and Research Youth T-Shirt. Mito support and research green ribbon Youth T-Shirt - Vintage Royal Blue with Mitochondrial Disease Support and Research slogan has heart logo. 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.