Personalized Nanotechnology Toddler Full Zip Hooded Jacket. Nano Technology is huge text with a magnifying glass on Toddler Full Zip Hooded Jacket - Black make a funny science gift design for engineers, scientists and technicians working with the smallest structures. 7.5 oz., 60/40 cotton/polyester. Jersey-lined double-needle hemmed hood. Pouch pockets for all their treasures. Coverstitched shoulders and armholes. Coverstitched rib waistband and cuffs.