Personalized Autism Spectrum Niece Awareness Support Walk T-Shirt. I love my niece with Autism T-Shirt - Tie Dye Pink has a lovely multi color heart shaped puzzle ribbon for an Aunt to wear at an April support walk event. 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.