Personalized Science Nerd Chemistry Youth Sweatshirt. Science nerd Youth Sweatshirt - Heather has chemistry beakers and bubbles for a scientist or chemist This youth crewneck sweatshirt delivers soft comfort, dependable warmth, and everyday durability for active kids. Made with a smooth fleece interior and a classic ribbed collar, cuffs, and bottom band, it provides a comfortable fit that holds up to school days, sports, layering, and relaxed weekend wear. The clean crewneck style makes it easy to pair with any outfit, while the sturdy construction helps the sweatshirt maintain its shape through repeated washing. Perfect for boys and girls alike, it is a reliable wardrobe staple for cooler weather or all-season comfort.