Personalized Nanotechnology Men's V-Neck T-Shirt. Nano Technology is huge text with a magnifying glass on Men's V-Neck T-Shirt - White make a funny science gift design for engineers, scientists and technicians working with the smallest structures. 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