Personalized CVID Awareness Alligator Youth T-Shirt. CVID Awareness Youth T-Shirt - Kelly Green has zebra ribbon with little alligator and pink speech bubble design for immune deficiency diseases. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.