Personalized Little Brother Fire Truck Toddler T-Shirt. I'm the Little Brother! A cute fire truck wearing a firefighter's helmet proudly announces that he is the little brother on a Toddler T-Shirt - White! A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.