Personalized Down Syndrome Awareness Niece Support T-Shirt. Down Syndrome I Love my Niece T-Shirt - Red has blue and yellow awareness heart for an Aunt to support their niece. 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.