Personalized I Am HIs Voice He Is My Heart T-Shirt. Our autism awareness design is not only stylish but also meaningful. It serves as a reminder that individuals with autism have a voice that deserves to be heard and that they hold a special place in our hearts. By wearing this design, you can help spread awareness and promote inclusivity. 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.