Personalized Be Who you Want to be T-Shirt. Be exactly who you want to be, and nothing else. Be Who you Want to be T-Shirt - Pink, featuring Bob from "Bob is a Unicorn" by Michelle Nelson-Schmidt. 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.