Personalized 2021 Best Shot Youth 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. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.