Personalized 2021 Best Shot Toddler T-Shirt. Class of 2021, Taking Our Best Shot! A gloved hand with a syringe fills the zero. 2021 seniors have a lot to deal with, but they will give it their best shot. Vaccinated. 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.