Personalized Best Bus Driver Ever Toddler T-Shirt. Pow! Bam! Best Bus Driver Ever! Comic book style background with colorful explosions for the best bus driver ever! Great gift for a bus driver superhero. 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.