Personalized You're Overreacting Men's V-Neck T-Shirt. You're Overreacting! An Erlenmeyer flask filled with bubbling green liquid. Funny gift for any chemistry geek! 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem