Personalized Chemical Engineer Drops Circle Adult Sweatshirt. Chemical Engineer text over droplets in black and white inside a circle is a unique gift design for chemical engineers and engineering students 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.