Personalized Chemist In Training Childs Toddler Full Zip Hooded Jacket. Cute chemist in training Toddler Full Zip Hooded Jacket - Black has chemistry beaker design for a boy or girl wanting to be a chemistry teacher or a scientist when they grow up. 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.