Personalized White Distressed Ruler Women's V-Neck T-Shirt. I am the ruler in distressed white text with a ruler replacing the letter L in ruler is a funny gift design for mathematicians and mathh teachers at back to school, birthdays and holidays. 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