Personalized CFS Ribbon Chronic Fatigue Syndrome Youth T-Shirt. Chronic Fatigue Syndrome blue awareness ribbon Youth T-Shirt - Kelly Green with support slogan that says CFS - it's more than tiredness. 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.