Personalized Green Ribbon Awareness Owl Men's V-Neck T-Shirt. Green Ribbon Awareness owl Men's V-Neck T-Shirt - White for organ donor, organ transplant, gastroschisis, leukemia, cerebral palsy, mental illness, mental health and environment awareness. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem