Personalized Sarcoma Support For Son Awareness Owl Long Sleeve T-Shirt. Sarcoma support for my son owl with yellow awareness ribbon on a Long Sleeve T-Shirt - White for Mom or Dad at a walk or event. 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