Personalized Mito Research Ribbon T-Shirt. Show support for research into mitochondrial disease with this Green Ribbon T-Shirt - Purple. Great for Mito Awareness week in September. 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.