Personalized Gray Ribbon Penguin Long Sleeve T-Shirt. This little penguin wears a gray ribbon of awareness on its front. Perfect for showing support for diabetes, hyperglycemia, brain cancer, asthma and allergies. Get this gray ribbon Long Sleeve T-Shirt - White personalized when you use the handy designer tool before you order. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL