Personalized Gray Ribbon Pet Long Sleeve T-Shirt. Gray Awareness Ribbon Pet Long Sleeve T-Shirt - White has cute puppy dog logo, perfect for an diabetes, hyperglycemia, brain cancer, asthma, allergies, support walk. Personalize with a name or event date. 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