Personalized Coolest Environmental Engineer Toddler Hoodie. The world's coolest environmental engineer with a snowman wearing a hardhat and holding the earth is a humorous gift design for engineers and college students at birthdays and holidays. The Toddler Pullover Fleece Hoodie keeps little ones cozy and comfortable through all their adventures. Made with soft fleece and a smooth jersey-lined hood, it’s perfect for layering on chilly days. Ribbed cuffs and waistband help hold in warmth while side seam pockets add a touch of practicality for busy toddlers on the go.