Personalized CVID Sock Monkey Youth T-Shirt. CVID Sock Monkey Zebra Ribbon Youth T-Shirt - Vintage Royal Blue is a cute way to show support and raise awareness about common variable immunodeficiency 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.