Personalized Nuclear Ornaments Circle Men's V-Neck T-Shirt. A green tree with radioactive symbols instead of ornaments in a colorful circle is a unique gift design for college students, physicists, environmentalists, nuclear engineers and workers at birthdays and holidays. 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