Personalized Rainbow Hearts I Love My Tia T-Shirt. Introducing our "I Love My Tia" rainbow hearts design! This beautiful design is perfect for expressing your love and admiration for your auntie. Whether you're a niece, nephew, or grandchild, this design is sure to make your auntie feel truly special. 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.