Personalized Daddy Little Cutie Pi Day Math Girls Women's V-Neck T-Shirt. Daddy's little cutie Women's V-Neck T-Shirt - Kelly Green with Pi math symbol in pink for a daughter. Fun baby shower gift for a math teacher. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit