Personalized Zebra Ribbon Awareness T-Shirt. Make a personalized Zebra Ribbon Awareness T-Shirt - Pacific Blue by adding a name or support quote for PIDD, EDS, Ehlers Danlos Syndrome, hypogammugoblinemia, primary immune deficiency diseases. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.