Personalized Mermaid 1st Birthday 1 Year Old Toddler Hoodie. Cute babys first birthday Toddler Hoodie - Heather that says this mermaid is one 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.