Personalized Worlds Best Chemist Men's V-Neck T-Shirt. Great looking gift for the chemist, chemistry professor or chemistry major, this Worlds Best Chemist gift Men's V-Neck T-Shirt - White with blue and tan logo is a unique way to show you love them. 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