Personalized Appendix Cancer ribbon Youth T-Shirt. Appendix Cancer Awareness Ribbon Youth T-Shirt - Vintage Royal Blue has amber ribbon logo, great for a support walk event. 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.