Personalized Mito Awareness 1 in 4,000 T-Shirt. Green ribbon T-Shirt - Vintage Black for Mitochondrial Disease awareness has 1 in 4,000 slogan. Personalize with a name. September has Mito awareness week. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.