Personalized You're Overreacting Women's V-Neck T-Shirt. You're Overreacting! An Erlenmeyer flask filled with bubbling green liquid. Funny gift for any chemistry geek! 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