Personalized A Big Piece Of My Heart Has Autism T-Shirt. The design features bold and eye-catching typography that makes a statement. The text is placed within a heart-shaped image, symbolizing the deep affection and care for someone with autism. 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.