Personalized Biological Engineer Line Adult Sweatshirt. Biological engineer with a decorative line sporting an ant. A fun gift design for college students, research assistants and biological engineers at back to school, birthdays, holidays and graduation. Stay warm and stylish with this classic adult sweatshirt, perfect for everyday comfort. Crafted from soft, durable fabric, it features a relaxed fit for added coziness. Whether you’re lounging at home, running errands, or enjoying outdoor activities, this versatile sweatshirt is a wardrobe essential for any season.