Personalized Down Syndrome Peace Sign T-Shirt. Blue and yellow peace sign with ribbon promotes research and support for Down Syndrome on a T-Shirt - Red. 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.